Are you looking for the muscle stimulator for back? Do you know what to consider before buying one? Well, we’ve managed to put together a list of the best muscle stimulator for back for your consideration. You can choose one and use it according to your needs.

In most cases, customers lack knowledge about market conditions, which leads to poor purchasing decisions. Fortunately, you have come to the right place as we will present you with a complete guide on how to select the muscle stimulator for back for you. We have searched for hours and spent a lot of time and effort making sure you get a good return on your hard-earned money.

You can find a quick comparison and a list of the top muscle stimulator for back below if you’re short on time.

Our Premium Picks!

EDITOR’S CHOICE
9.9
Belifu Dual Channel TENS EMS Unit 24 Modes Muscle Stimulator for Pain Relief Therapy, Electronic Pulse Massager Muscle Massager with 10 Pads, Dust-Proof Drawstring Storage Bag,Fastening Cable Ties…

Belifu Dual Channel TENS EMS Unit 24 Modes Muscle Stimulator for Pain Relief Therapy, Electronic Pulse Massager Muscle Massager with 10 Pads, Dust-Proof Drawstring Storage Bag,Fastening Cable Ties…

PREMIUM PICK
9.6
TENS 7000 Digital TENS Unit With Accessories – TENS Unit Muscle Stimulator For Back Pain, General Pain Relief, Neck Pain, Muscle Pain

TENS 7000 Digital TENS Unit With Accessories - TENS Unit Muscle Stimulator For Back Pain, General Pain Relief, Neck Pain, Muscle Pain

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9.2
AUVON Dual Channel TENS Unit Muscle Stimulator Machine with 20 Modes, 2″ and 2″x4″ TENS Unit Electrode Pads

AUVON Dual Channel TENS Unit Muscle Stimulator Machine with 20 Modes, 2

Best muscle stimulator for back

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EDITOR’S CHOICE

Belifu Dual Channel TENS EMS Unit 24 Modes Muscle Stimulator for Pain Relief Therapy, Electronic Pulse Massager Muscle Massager with 10 Pads, Dust-Proof Drawstring Storage Bag,Fastening Cable Ties…

Belifu Dual Channel TENS EMS Unit 24 Modes Muscle Stimulator for Pain Relief Therapy, Electronic Pulse Massager Muscle Massager with 10 Pads, Dust-Proof Drawstring Storage Bag,Fastening Cable Ties…
9.7
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TENS 7000 Digital TENS Unit With Accessories - TENS Unit Muscle Stimulator For Back Pain, General Pain Relief, Neck Pain, Muscle Pain

TENS 7000 Digital TENS Unit With Accessories – TENS Unit Muscle Stimulator For Back Pain, General Pain Relief, Neck Pain, Muscle Pain
9.4
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AUVON Dual Channel TENS Unit Muscle Stimulator Machine with 20 Modes, 2

AUVON Dual Channel TENS Unit Muscle Stimulator Machine with 20 Modes, 2″ and 2″x4″ TENS Unit Electrode Pads
9.3
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Intensity at Home TENS Unit Muscle Stimulator - Electric Pulse Muscle Stimulator for Back Pain, Neck Pain, Body Pain - Electric Massager for Muscles With Electro Stim Intensity at Home TENS Unit Muscle Stimulator – Electric Pulse Muscle Stimulator for Back Pain, Neck Pain, Body Pain – Electric Massager for Muscles With Electro Stim
8.6
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NURSAL Dual Channel EMS TENS Unit 24 Modes Muscle Stimulator for Pain Relief & Muscle Strength with 14 Pads, Rechargeable TENS Machine Pulse Massager with Storage Pouch/Pads Holder/Lanyard/Cable Ties NURSAL Dual Channel EMS TENS Unit 24 Modes Muscle Stimulator for Pain Relief & Muscle Strength with 14 Pads, Rechargeable TENS Machine Pulse Massager with Storage Pouch/Pads Holder/Lanyard/Cable Ties
8.4
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NURSAL TENS EMS Unit, Electric Muscle Stimulator Machine for Back Pain Relief Therapy & Management, 24 Modes 8 Replacement Electrode Pads NURSAL Dual Channel EMS TENS Unit 24 Modes Muscle Stimulator for Pain Relief & Muscle Strength with 14 Pads, Rechargeable TENS Machine Pulse Massager with Storage Pouch/Pads Holder/Lanyard/Cable Ties
8.2
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TENS Unit Muscle Stimulator Electric Shock Therapy for Muscles Dual Channel TENS EMS Unit Electronic Pulse Massager with 24 Modes Physical Therapy Equipment for Back Pain Relief TENS Unit Muscle Stimulator Electric Shock Therapy for Muscles Dual Channel TENS EMS Unit Electronic Pulse Massager with 24 Modes Physical Therapy Equipment for Back Pain Relief
7.6
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Maytoyo TENS EMS Unit 28 Mode 40 Intensity Muscle Stimulator for Pain Relief Therapy, Dual Channel Rechargeable TENS Machine Maytoyo TENS EMS Unit 28 Mode 40 Intensity Muscle Stimulator for Pain Relief Therapy, Dual Channel Rechargeable TENS Machine
7.4
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Etekcity TENS Unit Muscle Stimulator Machine Multi-Modes for Pain Relief, FDA Cleared 4 Channels Rechargeable Electric Pulse Massager for Back Shoulder Sciatica, 8 Electrode Pads, OTC Electrotherapy Etekcity TENS Unit Muscle Stimulator Machine Multi-Modes for Pain Relief, FDA Cleared 4 Channels Rechargeable Electric Pulse Massager for Back Shoulder Sciatica, 8 Electrode Pads, OTC Electrotherapy
7.0
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NURSAL TENS Unit Muscle Stimulator Machine for Pain Relief Therapy, Electric Stim Massager for Back, Neck, Muscle Pain Relief Product (FSA or HSA Eligible) NURSAL TENS Unit Muscle Stimulator Machine for Pain Relief Therapy, Electric Stim Massager for Back, Neck, Muscle Pain Relief Product (FSA or HSA Eligible)
6.3
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Belifu Dual Channel TENS EMS Unit 24 Modes Muscle Stimulator for Pain Relief Therapy, Electronic Pulse Massager Muscle Massager with 10 Pads, Dust-Proof Drawstring Storage Bag,Fastening Cable Ties…

EDITOR’S CHOICE

Specifications:

Belifu Dual Channel TENS EMS Unit 24 Modes Muscle Stimulator for Pain Relief Therapy, Electronic Pulse Massager Muscle Massager with 10 Pads, Dust-Proof Drawstring Storage Bag,Fastening Cable Ties…

$35.99  in stock
2 new from $35.99
Free shipping
Amazon.com
as of August 14, 2022 6:04 pm

Features

  • Multifunctional Tens Massager with 24 Preprogrammed Massage Modes for Pain and Muscle Relief. TENS unit help relieve pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper extremities (arm), and lower extremities(leg) due to strain from exercise or normal household work activities. Electric massager is also intended to be used to stimulate healthy muscles in order to improve and facilitate muscle performance.
  • Non Invasive, Non Drug Choice for Relieving Pain. Great Device You Can Use at Home for Pain Management. If you want to relieve pain, just trying Belifu TENS massager. It is with human body simulation technology, microcomputer intelligent control technology, simulates a variety of massage methods. Help for relieving pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper extremities (arm), and lower extremities(leg) due to strain from exercise or household work.
  • A/B Dual Channels Tens with 24 Modes, 20 Levels Intensity and Time Control. Relax Any Time Anywhere with Pocket Size! You can operate it with different intensity settings for each channel. With portable size, it can be used in the office, car or travel on the go. Total body relaxation: use for back, knee, shoulder, ankles, wrist and elbow and make this the most powerful weapon for your body relax.
  • Free Dust-Proof Drawstring Storage Bag, Reusable Fastening Cable Ties and 10 Pcs of Self Adhesive Conductive Reusable Electrode Pads. No more cable mess after use with fastening cable ties. A quick and easy solution for tens lead wires management. Hassle free storage system for the tens massager and wires.Three different sizes of electrode pads can meet your various needs.
  • Built in Powerful Rechargeable Lithium Battery-- up to 20 Hours of Continuous Use. It can be connected to wall charger, power bank or laptop USB port to charge. Don't worries about treatment interruption for dead AA batteries any more. With battery level indicator remind you charge timely.

TENS 7000 Digital TENS Unit With Accessories – TENS Unit Muscle Stimulator For Back Pain, General Pain Relief, Neck Pain, Muscle Pain

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Specifications:

TENS 7000 Digital TENS Unit With Accessories - TENS Unit Muscle Stimulator For Back Pain, General Pain Relief, Neck Pain, Muscle Pain

$36.99
$32.91
 in stock
9 new from $32.91
Free shipping
Amazon.com
as of August 14, 2022 6:04 pm

Features

  • NEED PRESCRIPTION STRENGTH PAIN RELIEF? A TENS unit muscle stimulator and electric massager that provides pain relief, acts as a muscle massager or shoulder massager, provides carpal tunnel relief, and acts as a muscle relaxer(great for muscle recovery)
  • OVER 1M TENS 7000 DEVICES SOLD: A consumer over the counter favorite back pain relief device and a leader in physical therapy equipment for providing immediate and lasting drug-free muscle pain relief from back pain, neck pain, tennis elbow, and bursitis
  • A LEADER SINCE 2008: A 10+ year favorite TENS device among medical professionals for delivering drug-free back pain relief as well as treating common ailments like neck pain, carpal tunnel relief, arthritis, shoulder, knee, elbow, leg and foot pain
  • GET IMMEDIATE PAIN RELIEF: TENS machine comes with multiple TENS therapy modes that will provide instant muscle pain relief. An electrotherapy machine with everything needed for TENS therapy, a class leader in electric massagers for muscles. The pulse amplitude, or intensity level, is adjustable from 0-100mA in 10mA increments, which is controlled by the respective knobs located at the top of the device, for both channels
  • DUAL CHANNEL TENS UNIT: The TENS 7000 TENS unit provides TENS therapy and is a muscle stimulator, nerve stimulator, and electric massager with independent dual channels that control four(4) TENS unit pads (electrodes) for targeted pain relief

AUVON Dual Channel TENS Unit Muscle Stimulator Machine with 20 Modes, 2″ and 2″x4″ TENS Unit Electrode Pads

PREMIUM CHOICE

Specifications:

AUVON Dual Channel TENS Unit Muscle Stimulator Machine with 20 Modes, 2" and 2"x4" TENS Unit Electrode Pads

$39.99
$35.99
 in stock
Amazon.com
as of August 14, 2022 6:04 pm

Features

  • Pain Relief Machine. The rechargeable electric muscle massager can stimulate the sensory nerves and muscles, activate specific natural pain gate mechanism, relax your body and have pain management anytime you feel the need.
  • Up to 20 Modes. Pre-set modes offer you hammering, kneading, shiatsu and more choices to help relieve pain associated with aching and fatigue muscles in the shoulder, low back, knee from exercise, normal household or work activities.
  • Independent Mode Control. You can set separate modes and intensities for channel A and channel B. For example, you could choose Acupuncture mode in channel A with an intensity level of 5 for your shoulder. While in channel B, the Tapping mode is being run with the intensity set to level 12 on your lower back as a back electric stimulator.
  • Industry-Leading TENS Pads. The included electrode pads can provide excellent self-stick performance for up to 45 uses. The shaped 2" TENS electrodes are recommended for more compact pain areas like the knees or elbows. Meanwhile, the bigger 2"x4" reusable patches are perfect for larger areas such as the back for TENS pain relief.
  • What You Receive: 1 x Dual Channel TENS Machine, 4 x 2" Square Electrode Pads, 4 x Large Rectangle 2"x4" Pads, 2 x Lead Wires, 1 x USB cable, 1 x USB Charger,1 x User Manual, 1 x Pad Holder, 1 x Pouch, our 12-month warranty and friendly customer service. (4pcs 2x2 pads are in a pack while 2pcs 2x4 pads are in a pack. Please open the sealed bag firstly and unfold each pads pack before counting the pads quantity.)

Intensity at Home TENS Unit Muscle Stimulator – Electric Pulse Muscle Stimulator for Back Pain, Neck Pain, Body Pain – Electric Massager for Muscles With Electro Stim

Specifications:

Intensity at Home TENS Unit Muscle Stimulator - Electric Pulse Muscle Stimulator for Back Pain, Neck Pain, Body Pain - Electric Massager for Muscles With Electro Stim

$39.99
$36.99
 in stock
3 new from $31.95
1 used from $32.99
Free shipping
Amazon.com
as of August 14, 2022 6:04 pm

Features

  • Electrotherapy Stim Machine... Drug-free pain relief with no side effects, TENS machines are physical therapy equipment that can help reduce & relieve muscle & joint pain without the side effects associated with medications. Immediate muscle pain relief.
  • Prescription Strength Pain Relief... InTENSity TENS Machines lets you use 2 or 4 electrode pads to get the most benefit from your electrotherapy sessions. Large buttons & display make this TENS unit simple to use and leading back pain relief devices
  • Electric Massager TENS Unit... A dual channel tens device with pre-set body part specific programs. The TENS machine includes back pain relief mode, neck pain relief mode, shoulder massager pain relief mode, and leg/arm & foot pain relief modes.
  • TENS Therapy is a drug-free pain relief electric shock therapy for muscles often used as a muscle stimulator for chronic pain management, muscle pain or to aid the healing process of injuries. Electrical impulses stimulate the nerves to reduce pain.
  • Get Pain Relief Now... The TENS unit muscle stimulator comes with everything needed for TENS Therapy. Common uses of the device include: carpal tunnel relief, tennis elbow treatment, diabetic pain relief, or as a electronic muscle massager.

NURSAL Dual Channel EMS TENS Unit 24 Modes Muscle Stimulator for Pain Relief & Muscle Strength with 14 Pads, Rechargeable TENS Machine Pulse Massager with Storage Pouch/Pads Holder/Lanyard/Cable Ties

Specifications:

NURSAL Dual Channel EMS TENS Unit 24 Modes Muscle Stimulator for Pain Relief & Muscle Strength with 14 Pads, Rechargeable TENS Machine Pulse Massager with Storage Pouch/Pads Holder/Lanyard/Cable Ties

$49.99
$35.99
 in stock
5 new from $35.99
Free shipping
Amazon.com
as of August 14, 2022 6:04 pm

Features

  • PROFESSIONAL PAIN RELIEF MACHINE: The electronic tens device brings non-invasive pain-relief method for home uses. 24 pre-programmed massage modes provide precise control for pain relaxation and soothing muscle stiffness, just as a real human massage does. Small electrical impulses delivered through electrodes alleviate back, neck, shoulder pain, help treat sports injuries, arthritic or inflamed joints, shoulder tension.
  • REAL AB DUAL CHANNEL: Comparing with other dual channel TENS massagers which can’t change modes separately, this rechargeable electric muscle massager can set separate modes and intensities for channel A and channel B, thus you are able to customize each channel independently and use it even for 2 persons simultaneously to relax with preferred modes.
  • MEMORY FUNCTION & ACCIDENTAL TOUCH PREVENTION: NURSAL electronic TENS device save your time! Thanks to the exclusive function, NURSAL nerve stimulator remembers and sets the massage mode you have applied last time in a flash. Accidental touch prevention function is used to prevent any unintended adjustments during the use. What’s more, 10-60 minutes timer allows setting a time limit.
  • 24 MODES & 20 INTENSITY LEVELS: NURSAL TENS unit incorporates 6 main therapy modes(each with 4 sub-modes) to efficiently alleviate body soreness, provides diversified pain relief patterns and suit healing different body parts such as neck, back, shoulder and waist. You may easily customize your therapy experience with 20 intensity levels to control the frequency of the electrical impulses.
  • 14 STRONG ADHESIVE THICKER REUSABLE ELECTRODE PADS: The wireless TENS is equipped with premium quality pads firmly attached them to your skin. The TENS unit electrodes are available in 3 sizes (large*2, medium*10, small*2) for greater body electrical stimulation and more precise treatment session at different parts of the body. NURSAL will always stand by you and offers 1 year warranty service!

NURSAL TENS EMS Unit, Electric Muscle Stimulator Machine for Back Pain Relief Therapy & Management, 24 Modes 8 Replacement Electrode Pads

Specifications:

NURSAL TENS EMS Unit, Electric Muscle Stimulator Machine for Back Pain Relief Therapy & Management, 24 Modes 8 Replacement Electrode Pads

$39.98
$23.99
 in stock
3 new from $23.99
Free shipping
Amazon.com
as of August 14, 2022 6:04 pm

Features

  • Professional Pain Relief & Management - The NURSAL TENS & EMS therapies are combined in one device to relieve both long-lasting chronic and short-term acute pain, such as disease of the joints, aching and pain in muscles, tendons, and joints all over the body, an inflammation or irritation of a tendon, labor pain, low back pain.
  • Powerful Muscle Stimulator - Doctors and physical therapists employ TENS unit muscle stimulator to provide instant muscle pain relief. Our portable TENS stim machine with 24 modes, adjustable 20 levels of intensity, 15-90m timer will satisfy your massage demands and relax your body!
  • 8pcs Upgraded Electrode Pads - Premium grade pads with self-stick properties and 3 sizes may be securely applied to pain areas and are suited for different massage areas. As standard 3.5mm snap on connections are commonly used, it's easy to find compatible accessories.
  • Easy to Carry and Share - With its compact size and storage bag, the TENS unit electrical stimulation is easy to use at home, at the office, and while traveling. A-B dual channel allows you to share it with friends. A rechargeable battery provides 30H of continuous use.
  • What You Get - Extended 2 Year Warranty, 1 TENS EMS Device, 8pcs Electrode Pads, 3 Lead Wires, 1 USB Charging Cable, 1 Pouch, Lanyard and Manual.

TENS Unit Muscle Stimulator Electric Shock Therapy for Muscles Dual Channel TENS EMS Unit Electronic Pulse Massager with 24 Modes Physical Therapy Equipment for Back Pain Relief

Specifications:

TENS Unit Muscle Stimulator Electric Shock Therapy for Muscles Dual Channel TENS EMS Unit Electronic Pulse Massager with 24 Modes Physical Therapy Equipment for Back Pain Relief

$69.99
$32.98
 in stock
2 new from $32.98
Free shipping
Amazon.com
as of August 14, 2022 6:04 pm

Features

  • 【Powerful TENS Machine】 - The TENS unit sent electrical current via the electrode wire to the electrode pads on your skin to help ease body pain, like back, knee, shoulder, neck and elbow pain; improve sport injures, arthritis and sciatica; stimulate muscle, enhances blood circulation, ease tiredness, enhances immunity, improve sleep quality.
  • 【24 Massage Modes Muscle Relaxer 】 -EMS muscle stimulator with 24 massage modes for your body relaxation such as kneading,Knocking,Tapping,Tuina,Acupuncture,Striking etc for relieving body stress and pain, to be healthier and energetic.
  • 【Nerve Stimulator Device with Reusable Electrode Pads】 12 pcs of self adhesive conductive reusable pads included for nerve pain relief ,allows 4 pads to be applied to the two different targeted areas at the same time.
  • 【Electric Shock Therapy for Muscles with Dual Channel】 - Portable mini massager , campact palm-size, to get relief at anywhere and anytime; Working with safe recharging lithium battery, Dual-output for massaging more of your body parts with 20 intensity levels,It is perfect for choosing the desired intensity required for your pain relief.
  • 【Quality Assurance Electric Muscle Stimulator Machine】We're manufacturer in TENS EMS massager since 2003 with Various certificates approved.Professional QC team to ensure stable quality. Provide 7/24 customer service and technical support to each customer.

Maytoyo TENS EMS Unit 28 Mode 40 Intensity Muscle Stimulator for Pain Relief Therapy, Dual Channel Rechargeable TENS Machine

Specifications:

Maytoyo TENS EMS Unit 28 Mode 40 Intensity Muscle Stimulator for Pain Relief Therapy, Dual Channel Rechargeable TENS Machine

$49.99
$29.99
 in stock
Amazon.com
as of August 14, 2022 6:04 pm

Features

  • PROFESSIONAL PAIN RELIEVER - Maytoyo dual channel TENS EMS unit helps relieve your pain in the shoulder, waist, back, neck, arm, and leg from exercise or housework activities. This electric massager is also used as a muscle stimulator to improve and facilitate your muscle performance;
  • 28 MODES & 40 INTENSITY - Maytoyo TENS machine is equipped with 16 TENS modes and 12 EMS modes. With 28 TENS ans EMS modes and 40 adjustable intensity level, you can easily find the most suitable mode and intensity for yourself. It is efficient for kinds of body pain relief and muscle spasms, such as: arthritis, cervical spondylosis, sports injuries, muscle spasms and period pain;
  • HIGH QUALITY ELECTRODE PADS - Maytoyo TENS unit comes with 10 upgraded industrial grade snap-on pads that with better self-stick performance and longer lifespan. They are easy to clean an reusable. Just paste the pads on the included pads holder after use for easier storage;
  • SMALL SIZE & BIG POWER - This mini-sized tens makes it possible for you to relax any time at anywhere, in your house, office, car or travel on the go. With built-in powerful rechargeable lithium battery provides up to 20 hours of continuous use(It is advised to be used no longer than 15 minutes everyday for sensitive skin). Working time can be set range from 10-90 minutes;
  • WHAT YOU GET - 1 x Maytoyo TENS unit, 2 x lead wires, 10 electrode pads (6 x palm pads, 2 x large rectangle pads, 2 x oval pads), 1 x USB C cable, 1 x pad holder, 1 x storage bag, 1 x user manual and a packing box. Any questions please feel free to contact us, we'll reply in 24 hours.

Etekcity TENS Unit Muscle Stimulator Machine Multi-Modes for Pain Relief, FDA Cleared 4 Channels Rechargeable Electric Pulse Massager for Back Shoulder Sciatica, 8 Electrode Pads, OTC Electrotherapy

Specifications:

Etekcity TENS Unit Muscle Stimulator Machine Multi-Modes for Pain Relief, FDA Cleared 4 Channels Rechargeable Electric Pulse Massager for Back Shoulder Sciatica, 8 Electrode Pads, OTC Electrotherapy

$32.99  in stock
Amazon.com
as of August 14, 2022 6:04 pm

Features

  • Quick & Pinpoint Pain Relief: Etekcity TENS Machine help manage pain issues and reduce pain and muscle soreness caused by conditions like back/shoulder pain, arthritis, nerve pain, joint pain, period pain, neck pain, knee pain, sports injuries
  • 4 utputs with Versatile Massage Modes: 4-channel unit can support up to 4 sets of pads. The units' first three rows are for different body parts and the next two rows are the most classic massage types: knead, acu, tap, cupping, and scraping.
  • Super Easy Operation: Function-specific buttons make it really easy to change settings in less than1 sec. The extra large & bright LCD is clear and easy for you to know your current selection and level of intensity
  • 8 Premium Pre-gelled Reusable Electrode Pads: The pads come in 3 sizes (Large: 2"x4" 2 pcs, Middle: 2"x2" 4 pcs, Small: 1.5"x1.5" 2 pcs), allow you to cover a larger area. With great self-stick performance, they can be used up to 30 times with care.
  • Rechargeable & Timer Control: The unit can be charged by connecting to a wall charger, power bank or laptop USB port. Simply plug in when the battery indicator flashes orange. You can choose from 6 timer options ranging from 10 to 60 minutes

NURSAL TENS Unit Muscle Stimulator Machine for Pain Relief Therapy, Electric Stim Massager for Back, Neck, Muscle Pain Relief Product (FSA or HSA Eligible)

Specifications:

NURSAL TENS Unit Muscle Stimulator Machine for Pain Relief Therapy, Electric Stim Massager for Back, Neck, Muscle Pain Relief Product (FSA or HSA Eligible)

$49.99
$34.99
 in stock
3 new from $34.99
Free shipping
Amazon.com
as of August 14, 2022 6:04 pm

Features

  • Why Choose Our TENS Units? -Compared with other similar tens machine products, we think more for you: With SMART MEMORY FUNCTION: This electric muscle massager will remember your preference of mode setting, you do not need to search from 24 modes again.
  • With CONSTANT STEADY PULSE MODES: Kneading mode 1 and mode 2 deliver stable electrical impulses which not fade in and out every few seconds, designed for those who are looking for a constant steady pulse massager. Our tens machine can use at the same time when you are working or doing housework, which other brands' tens unit can't do.
  • With SAFETY LOCK FUNCTION: To prevent unintentional changes of mode or intensity, our NURSAL tens device adds a lock function. Long press the center button for 3s until the "Lock" symbol appears on the screen.
  • With 90MINS LONGER TIMER: The rechargeable tens ems unit built-in15-90mins timer allows you to control your treatment process up to 90 minutes. A powerful rechargeable battery offers you 30H of continuous usage.
  • PROFESSIONAL MUSCLE PAIN RELIEF DEVICE. This physical therapy equipment is also equipped with independent A/B dual channels, 24 pre-programmed TENS & EMS therapies, each mode with 20 intensity levels to adjust, which can be used for relaxation with the max of 6 pads applied by two persons simultaneously.