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OneNTech® Wireless TENS & EMS Combo Unit for Pain Relief, Muscle Recovery & Strengthening

  • Relief, Recovery & Strength in One – Wireless TENS + EMS support for pain relief, recovery, and strengthening.
  • Targets Everyday Aches – Helps ease discomfort in the back, neck, shoulders, waist, arms, and legs.
  • Period Pain Support – Discreet comfort support for menstrual cramps and discomfort.
  • Post-Workout Recovery – Helps relax tired muscles after workouts and daily activity.
  • Muscle Rehab & Strength Support – Stimulates muscles to support recovery, reactivation, and conditioning.
  • Wireless & Portable – Easy to use at home, work, travel, or on the go.

Original price was: $129.99.Current price is: $89.99.

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  • Model: SM9116
  • Application: Body massage, pain relief, muscle recovery
  • Intensity: 20 levels
  • Pulse Width: 50-500 μs
  • Pulse Frequency: 2-150 Hz
  • Timer: 10/20/30/40/50/60min.
  • Battery: 3.7 V, 180 mAh Li-battery
  • Material: ABS+Silicone
  • Certificate: FDA510K/ISO13485/CE/RoHS/FCC
  • SM9116 TENS & EMS Combo Device
  • Controlling Remote
  • Electrode Pad *2
  • Charging Cable
  • User Manual
  • Backed by our 30-day money back guarantee
  • If you’re not satisfied, contact our support team and we’ll assist you with our free and easy returns process
  • Free shipping on all orders
  • Orders are delivered within 4-8 business days

How The TENS & EMS Unit Works

The device uses electrical pulses through electrode pads to support both pain relief and muscle stimulation in one device.

TENS, or Transcutaneous Electrical Nerve Stimulation, works by stimulating the sensory nerves in your body. It helps:

  • Block or reduce pain signals before they reach the brain
  • Make you feel good naturally via releasing the body’s endorphins

EMS, or Electrical Muscle Stimulation, works by sending controlled electrical pulses to activate muscles and create muscle contractions. It helps:

  • Muscle recovery & relaxation after exercise, strain, or physical activity
  • Muscle activation and re-education
  • Muscle strengthening support
FDA Cleared

FDA Cleared

Cleared through the FDA 510(k) process for safety and intended use

Clinically-Backed

Established TENS and EMS technology supported by clinical research

HSA/FSA Eligible

You can use pre-tax HSA/FSA funds for this product

Drug Free Therapy

Drug-free Solution

A non-drug therapy option for relief, recovery, and muscle support

TENS Mode

Fast, Targeted Relief for Everyday Pain

TENS mode helps relieve pain, tension, and soreness with gentle electrical stimulation. Great for the back, neck, shoulders, waist, arms, legs, and period discomfort.

EMS Mode

Recovery, Rehab, and Strength Support

EMS mode helps stimulate muscles for recovery, reactivation, rehabilitation, and strengthening. Ideal for workouts, post-activity care, and ongoing muscle support.

Your Relief & Recovery Journey

Relief, Recovery & Strength in One

Instantly Relieve Pain

TENS mode helps target everyday aches and muscle tension with gentle electrical pulses, giving fast, drug-free relief whenever discomfort slows you down.

Faster Muscle Rehab & Recovery

EMS mode helps stimulate tired muscles, support circulation, and relax soreness after workouts, long workdays, or physical activity.

Muscle Strengthening Support

EMS technology activates muscle contractions to help support muscle engagement, rehabilitation, and strength-building routines over time.

Advanced TENS & EMS Technology

Pain Relief and Muscle Support in One Device

TENS + EMS Dual-Action Therapy

Relieves pain and stimulates muscles in one compact device.

Rehab & Recovery Support at Home

Supports muscle activation, recovery, and strenghtening.

Fast, Targeted Pain Relief

Helps soothe pain, soreness, tension, and everyday discomfort.

Wireless, Portable, and Discretion

Cord-free, compact, and easy to use at home, at work, or on the go.

Precision Driven Therapy

sculpts every therapeutic waveform with microsecond precision, sampling skin impedance 1,000 times per second to keep relief perfectly balanced whether you are walking, stretching or relaxing. A silent solid-state core delivers up to 24 hours of use and recharges quickly over USB-C, so discomfort never gets the upper hand.

Trusted by Users for Relief & Recovery

Matthew Parks
Verified Buyer
It works when my back gives me trouble and it does help relieve it. Excellent compact cordless TENS unit for casual use
Eric Lenington
Verified Buyer
Relief on the Go! If you have ever used a tens unit and have need for one often then you have to get this. works just as good as the ones with the wires.
Marie Lemieux
Verified Buyer
Best Gift Ever! Total Game Changer for Pain Relief!!!

TENS & EMS Therapy - Backed by Science

Join 75,000 + trusted users

See the instant results our customers have achieved.

Timothy B.
Finally, Relief!!!

I definitely recommend this device for anyone experiencing any kind of back, shoulder, or neck pain.

Andrew M.
It's our normal practice now

The actual machine part is great – wireless, good battery, and effective power level. We use it very often to our customers in our clinic.

Amanda P.
Goodbye back pain!

Love this TENS unit! No wires, and outstanding battery life! Great for back pain relief!

Alexander L.
Wireless feature a plus!

Love that it’s wireless. Easier to walk around while using the unit, no wires to get in the way. Used this after shoulder surgery.

Janice S.
Impressive!

I currently suffer from shoulder pain likely caused by hormonal issues and aging. I used this for 20 minutes right out of the box, and it??s crazy how well it works.

Geoff S.
Recovery That Actually Works

It’s perfect for athletes, gym-goers, or anyone dealing with muscle soreness who wants a convenient recovery tool at home or on the go.

Relief & Recovery by the Numbers

See how real world statistics speak for OneNTech TENS & EMS Combo Unit

Of users experienced pain or soreness relief
%
Of users reported faster muscle recovery
%
Of users feedbacked with strengthened muscle
%
Of users would love to recommend OneNTech device
%

How to Use Wireless TENS & EMS Combo Device

1. Apply the Electrode Pad

Place the pad on the area where you want relief or muscle support.

2. Attach the TENS/EMS Unit

Snap the unit onto the pad securely before starting your session.

3. Turn On The Unit & Remote

Power on both devices to get ready for easy control and adjustment.

4. Choose Your Mode, Intensity, and Time

Select the setting that fits your needs and comfort level.

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OneNTech® Wireless TENS & EMS Combo Unit for Pain Relief, Muscle Recovery & Strengthening OneNTech® Wireless TENS & EMS Combo Unit for Pain Relief, Muscle Recovery & Strengthening
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4.9
Based on 748 reviews
5
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4
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Customer photos and videos

Image #1 from Julianne Fulling
Image #2 from Julianne Fulling
Image #1 from Sylvan Rossi
Image #1 from Franz W.
Image #1 from Jonathan K.
Image #1 from Jeff Patchett
Image #1 from Eliezer Hare
Image #1 from Tammy Snyder
Image #1 from Sebastian B.
Image #1 from Julianne Fulling

Julianne Fulling

Just arrived today and honestly, the packaging alone is a 10/10! I haven't had a chance to put it to the test yet, but the design and the build quality feels super premium in hand. Can’t wait to dive in and see if it lives up to the hype!

Image #2 from Julianne Fulling

Julianne Fulling

Just arrived today and honestly, the packaging alone is a 10/10! I haven't had a chance to put it to the test yet, but the design and the build quality feels super premium in hand. Can’t wait to dive in and see if it lives up to the hype!

Image #1 from Sylvan Rossi

Sylvan Rossi

My wife suffers from back pain. Bought this to help in between visits to the chiropractor. She only had to use it one time and if worked the knot out and she had relief from pain. now she can go to play tennis ball with me.

Image #1 from Franz W.

Franz W.

This has been a life saver for my leg! I put two on at a time in different areas and this has helped the soreness in my leg so much! The wireless ability make this so much better than the last unit I had. Would recommend!

Image #1 from Jonathan K.

Jonathan K.

Use this at work since its portability is perfect. It's discrete and really helps with back pain. I've also purchased two additional one for home and one for my boyfriend. Numerous colleagues have also purchased after seeing how effective it was for me. Lightweight, perfect size, and effective. I highly recommend.

Image #1 from Jeff Patchett

Jeff Patchett

I LOVE THIS. MY PLANTAR FASCIITIS HAS BEEN AGGRAVATED FOR SO LONG AND I USED IT FOR A GOOD HOUR FOR DIFFERENT AREAS OF MY LEGS. AND I'M NOT JOKING, THE ACHE REDUCED SIGNIFICANTLY. I PLAN ON HAVING THIS EVERY DAY BEFORE I GO TO SLEEP WHILE LOUNGING WATCHING SHOWS. IT'S A GREAT ITEM.

Image #1 from Eliezer Hare

Eliezer Hare

Omg I wish I knew about this years ago! So much easier than the wired units. Leave it on and pain disappears .

Image #1 from Tammy Snyder

Tammy Snyder

I give this 10 stars! I'm using this for tennis elbow and mouse arm. I've used it now for 6 days. 1 pad moving to 3 locations 1-2 times a day. First pad still sticks. Super easy to use. This feels amazing on my arms. Believe me, you can't go wrong!

Image #1 from Sebastian B.

Sebastian B.

It's amazing! I had back pain. as soon as It came, I used it the pain was gone. it's amazing but make sure to get extra pads, complete life saver.

Image #1 from Julianne Fulling
Image #2 from Julianne Fulling
Image #1 from Sylvan Rossi
Image #1 from Franz W.
Image #1 from Jonathan K.
Image #1 from Jeff Patchett
Image #1 from Eliezer Hare
Image #1 from Tammy Snyder
Image #1 from Sebastian B.
With media
1-5 of 748 reviews
  1. JF

    Verified reviewVerified review - view originalExternal link

    Just arrived today and honestly, the packaging alone is a 10/10! I haven’t had a chance to put it to the test yet, but the design and the build quality feels super premium in hand. Can’t wait to dive in and see if it lives up to the hype!

    Image #1 from Julianne Fulling
    Image #2 from Julianne Fulling
  2. SR

    Verified reviewVerified review - view originalExternal link

    My wife suffers from back pain. Bought this to help in between visits to the chiropractor. She only had to use it one time and if worked the knot out and she had relief from pain. now she can go to play tennis ball with me.

    Image #1 from Sylvan Rossi
  3. FW

    Verified reviewVerified review - view originalExternal link

    This has been a life saver for my leg! I put two on at a time in different areas and this has helped the soreness in my leg so much! The wireless ability make this so much better than the last unit I had. Would recommend!

    Image #1 from Franz W.
  4. JK

    Verified reviewVerified review - view originalExternal link

    Use this at work since its portability is perfect. It’s discrete and really helps with back pain. I’ve also purchased two additional one for home and one for my boyfriend. Numerous colleagues have also purchased after seeing how effective it was for me. Lightweight, perfect size, and effective. I highly recommend.

    Image #1 from Jonathan K.
  5. BD

    Verified reviewVerified review - view originalExternal link

    This TENS unit is fantastic! Just be aware that when you fly with it, you should NOT pack it in your suitcase, especially a check in bag. Keep it separate, then show it and declare that it is a medical device when you go through security then keep it with you in your personal item… I accidentally packed mine when I flew home from California a few weeks ago and it got confiscated. So just to be safe carry ALL items with batteries in your carry on or personal item.

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Frequently Asked Questions

The OneNTech Wireless TENS & EMS Combo unit is an FDA 510(k) cleared product. 

“FDA cleared” means the U.S. Food and Drug Administration (FDA) has reviewed a medical device and determined it is “substantially equivalent” to an already legally marketed device (a predicate).

Yes. Evidence shows it is effective for reducing immediate pain, particularly for acute, postoperative, and musculoskeletal conditions. You can find study proof on National Library of Medicine here.

The FDA classifies a transcutaneous electrical nerve stimulator (TENS) for pain relief as a Class II device used to apply electrical current through electrodes on the skin to treat pain.

Yes — EMS/NMES therapy is clinically supported for stimulating muscles, because the basic mechanism is electrical pulses causing muscles to contract.

The OneNTech Wireless TENS & EMS Unit combines the latest TENS (Transcutaneous Electrical Nerve Stimulation) and EMS (Electrical Muscle Stimulation) technologies in a single unit.

TENS helps stimulate the nerves to support temporary pain relief by helping reduce pain signal transmission and encouraging the body’s natural pain-relief response.

EMS helps stimulate muscles by sending gentle electrical pulses that cause controlled muscle contractions, supporting muscle activation, recovery, and strengthening.

TENS mode: users feeling relief shortly after use begins. Results vary by user, pain type, pad placement, and intensity setting.

EMS mode: Muscle activation can be felt right away, while recovery, spasm relaxation, and strengthening support are best achieved with consistent use over time.

  • TENS Therapy: Typically 30–60 minutes per session for everyday pain relief support.
  • EMS Therapy: Typically 20–30 minutes per session for muscle activation, recovery, and strengthening support.

The OneNTech TENS & EMS Combo Unit is ideal for people looking for drug-free support for everyday body pain, sore muscles, post-workout recovery, muscle activation, relaxation of muscle spasms, and muscle strengthening support. TENS mode helps stimulate nerves to support pain relief, while EMS mode helps stimulate muscles to support recovery, relaxation, and performance.

Do not use if you have an implanted electronic device such as a Pacemaker or Implantable Cardioverter-Defibrillator.

Do not use TENS on:

  • Open wounds or rashes
  • Swollen, red, infected, or inflamed skin
  • Cancerous lesions, or close to them
  • Skin that does not have normal sensation (feeling)
  • Any part of your head or face
  • Any part of your throat
  • Both sides of the chest or trunk at the same time
  • Directly on your backbone

Do not use TENS while:

  • Bathing or showering
  • Sleeping
  • Driving
  • Using machinery
  • Turn the TENS unit off before you put on, move, or take off the electrodes.
  • Keep out of the reach of children.

Stop using TENS and talk with your doctor or health care team if you have:

  • Skin irritation (redness, rash, itching)
  • Headache
  • Dizziness
  • Nausea (feel like you are going to throw up)

TENS Mode:
For pain relief, place the pads around the painful area, usually on the surrounding muscle. Common use areas include the neck, shoulders, back, waist, arms, thighs, calves, knees, and joints.

EMS Mode:
For muscle stimulation, place the pads on sore muscles or target muscle areas such as the biceps, abs, thighs, calves, shoulders, or back.

OneNTech Wireless TENS & EMS Unit is FDA-cleared device, ensuring their safety. However, individuals with pacemakers, infants, and pregnant women are advised not to use the device. If you have a specific medical condition or are epileptic, it is recommended to consult with your doctor or healthcare practitioner before use.

No. No app required. Control everything with the unit itself or/and the control remote.

Rest assured, the TENS & EMS stimulation is not painful. Instead, it produces mild and pulse-like sensations that many people find comfortable.

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