Wireless TENS Unit – Is It Worth Buying for Back Pain?

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TENS (Transcutaneous Electrical Nerve Stimulation) units are phenomenal for relieving nerve related pain anywhere on your body. With today’s wireless technology, it is now easy to carry your unit with you to use anywhere inconspicuously. The device provides electrical stimulation for nerves to include muscles that helps to alleviate pain when endorphins are released in your brain. Endorphins are the body’s natural painkillers so you will not need pain medication. There are no side effects to worry about with a TENS.

Benefits of a Wireless TENS vs Wired TENS

The only difference between the TENS wireless device and the unit that is not wireless, you guessed it—are the wires. Being wireless the unit runs on batteries and permits you to put it in your pocket or purse to attach anytime and anywhere you want and need quick pain relief. Your lower back might be killing you sitting at the computer all day, your legs might be aching and cramping from long-term standing, maybe you work outside and have pain from the work you do. You can wear wireless units all day long without anyone seeing wires and you never need to find a wall receptacle to plug it into.

Features to Look for Choosing a Wireless TENS Unit

You will want to choose the type of wireless device that best supports your needs that provides:

  • Quality and Durability
  • Long Warranty Period; Lifetime is better
  • Body Coverage Areas
  • Reusable Electrode Pads
  • Pads are Replaceable
  • Long Lasting Batteries
  • Small to Fit Under clothing

Types of Pain Relief Provided

With a plethora of TENS units in the marketplace, you will want to consider which one will work the best for you for your targeted pain areas that can be relieved such as:

  • Neck, Shoulders, Arms, Hands
  • Upper, Mid- and Lower Back
  • Thighs, Legs, Buttocks
  • Calves, Feet, Toes
  • Sports Injuries
  • Arthritis, Fibromyalgia

TENS units are designed for chronic and acute pain. We will discuss here the best units for your consideration for significant pain relief. You also might want to think about EMS (Electronic Muscle Stimulation) units that work for muscle aches and pains. They can be used together to provide even more pain relief and comfort.

Top 4 Most Popular Wireless TENS Unit Reviews

1. trūMedic® Micro TENS Pain Management

Our Rating: 5 out of 5 stars

The trūMedic® Micro TENS II model TM-600DC Pain Management in black is super cool, super small, and super effective! I adore it! It is black and uses one large electrode pad to focus on a pain area that is larger. It is wireless using two AAA batteries included with an addition set in the box. Being in a hurry, I simply put the unit on my right lower back and watched TV without any lead wires. This is the world’s first TENS unit that cycles on and off throughout the night for pain relief and during the day as well.

I like the programming of either P1 or P2. In the program 1 (P1), it will run 30-minutes. First it runs 15-minutes at 100 Hz, then 15-minutes ay 10 Hz. Then it ends. You can immediately set it again, but my chiropractor said do it one time and wait 30 to 60 minutes.

Program 2 (P2) is an 8-hour program. It runs 20-minutes at 80 Hz, 20-minutes at 8 Hz, 40-minutes at rest, and then repeats that cycle 7 times for a total of 8 hours. One Hz is 1 pulse per second. Easy math.

I’m amazed trūMedic® manages to get all this programming information into one small device! The power on button lights up in blue. The plus sign lets you have more intensity and the minus button reduces intensity. It has 40 power levels and that should give you enough options for a nice feeling.

I’m thrilled with the pain relief this unit provides with its superior muscle stimulation. You can put the electrode pads on many different spots such as forearms, shoulders, waist, thighs, and feet with this single channel unit.

Never put a TENS electro pads at your TMJ (temporomandibular joint) the jawbone at the side of the cheek on the face, on your chest, neck, or head.

When you athletes are sore and tired, try this for pain relief. Anyone can use it—walkers, runners, hikers, gardeners suffering lower back pain from digging and bending over, and those sitting at computers all day. Truck drivers find this convenient to use when having their hands on the steering wheel. Just set the buttons to your liking and stick it on the area of pain—probably at the lower back region and lumbar area in the middle back.

I would not put this on the abdominal (abs) muscles. Those are the 6 muscles above the belly button known as a 6-pack—those are too close to the heart. Biceps, triceps, and deltoids in the upper arm are fine to put it on. It’s great for the gluteus maximus and gluteus medius (butt) muscles. It’s great on tired trapezius muscles in the back.

The large pad is 4×5-inches. You will receive a free set of the electrode pads, a second set of batteries, adapter lead wires, and a black mesh carrying pouch. Slip it into your purse or satchel to have with you when working or traveling.

Your satisfaction is guaranteed with a full parts and labor warranty good for 90 days after purchase date.


As with all electrotherapy TENS or EMS devices do not use if you have a heart pacemaker, implanted defibrillators, implanted metallic or electronic devices, metal screws and plates, have a heart condition or any condition precluding its use. Also consult your healthcare provider for any specific condition you might have before using a TENS unit.

I would not put this on the abdominal (abs) muscles unless your doctor or therapist says it’s okay to do so. These muscles are the three layers of the abdominal wall. They are, from the outside to the inside: external oblique, internal oblique, and transverse abdominal.

2. AccuRelief Wireless Remote Control TENS

AccuRelief<sup>™</sup> Wireless Remote Control TENS width=
Our Rating: 4.5 out of 5 stars

The AccuRelief Wireless Remote Control TENS Pain Relief System is green and white being wireless for no cords to trip over and not being seen because it is small and concealed under clothing. It is a wonderful device for applying to the hard-to-each areas with its remote control meaning you do not have to remove it to find the control on the unit. How smart is that!

The unit has two reusable pre-gelled pads on the electrode ends for placing around your painful area. You are able to move about with these attached and no one can see them. With this unit, the program has three beneficial modes with 25 adjustable intensity degrees to match your comfort zone. It is simple to use and starts working immediately.

The unit is FDA cleared class II medical device and it is available over the counter without a doctor’s prescription. That means you can purchase The AccuRelief online. With no side effects and being free of any drugs, you will find this unit therapeutic for muscular pain, arthritis, joint, and back pain. You can use one or both pads for your needs.

The replacements pads are available at Amazon using Supply Kits ACRL-0003. The soft pads are free of latex that could cause sensitivity to some people. Latex is made of rubber. The one preset program will allow you to choose from three beneficial modes with 30-minute therapy periods. The gel pads will last about 10 days when used 30 minutes per day.

Pulse amplitude frequency: 5 ~ 125Hz, pulse width: 130/250 ìS, output voltage: 0 ~ 70mA, output intensity level: 0 ~ 20 levels, and treatment time: 30 minutes.

The dimensions are 2.4 L x 2.1 W x 0.7-inches thick and it weighs a slight 1.6 ounces so this small lightweight unit will be easy to use.

You will receive with your TENS unit the electrode placement guide and a free storage pouch for tucking into your purse or pocket. So when you are tired and sore from a hard day’s work, try this for relaxing relief.

The ACRL-9000 TENS unit comes with 6, AAA batteries (not rechargeable), 2 gel pads, 1 remote control that snaps to the unit, a Quick Start Guide and a User’s Manual. You will also receive a free draw-string carrying pouch and the two A and B gel pad units. The unit is made in China.

 Download User's Manual

3. Core Products WiTouch Wireless TENS Unit

Core Products WiTouch Wireless TENS Unit width=
Our Rating: 4.5 out of 5 stars

The Hollywog® WiTouch designed by Core Products International, Inc. is the first TENS to be remote controlled for improving pain and is FDA cleared to be purchased without a doctor’s prescription. The colors are green and for a limited time, orange.

This TENS electrotherapy unit is convenient way for giving you a pulsing massage feeling to the sore areas of your body and covers up well under your clothes. Use it many times each day if you need to for the 30-minute preprogrammed treatment sequences.

With its two gel pads, it will fit the shape of the area you want to treat. The unit employs the Gate Control theory and Opiate Release theory whereby the TENS units provide effective pain relief and targets the lower back pain only.

There are two hypotheses for how TENS mitigates pain. The Gate Control theory of pain supposes that thoughts and emotions influence the perception of pain. Another is that activation of nerves that do not transmit pain called nonnociceptive (to hurt) fibers interfere with signals from nerve fibers. The gate control theory of pain supposes the spinal cord contains a gate that controls pain signals to the brain.

The electrical impulses move through the skin (cutaneous) nerves inwardly and subsequently on to the spinal cord and brain. Along the way, the gates regulate which signals can go on to the brain. The nerve cannot produce at the same time an impulse for pain and an impulse for no pain. The no pain electrical impulse from the TENS controls the gate overruling the pain signal strength so you notice less pain.

The second Opiate Release theory, is the body produces more endorphins when using the TENS. If you have found no relief of pain using drugs—and the miserable side effects—the TENS have been proven to help manage your pain from an illness or injury.

With the two gel pads, the spinal column will be contacted and these pads fit any body shape, large or small. You will be able to move about when wearing this while sustaining pain relief with the 2.5 times greater area coverage of the pads. The 2 AAA alkaline batteries operate for 150 times of use at 30-minutes each time. The remote control is convenient for changing settings. Purchasers at Amazon state they have 95% relieve from chronic pain with this unit.

The single channel unit is preprogrammed with 3 modes and 20 intensity levels with 3 therapeutic cycles.

The dimensions are 0.7 D x 7.5 W x 3.5 H-inches and weighs only 1.5 pounds, so it will not bother you being so small and thin.

For you savvy technical folks: Waveform: Asymmetric biphasic square pulse; Pulse Amplitude: 0 ~110 mA = 0 ~ 55 volts, adjustable (at 500 ohm load) Pulse Frequency: (Hz) 5-120 and Pulse Width: (μs) 120 – 240. Power Supply: Device: two AAA batteries (internally powered) Remote Control: one CR2032 Lithium battery (internally powered). Safety Standards: IEC/EN/UL 60601-1, IEC/EN 60601-1-2, IEC 60601-2-10, CAN/CSA C22.2 No. 601.1, EN 300200 / EN 301498-3.

Gift-wrapping is available. The unit is made in the USA and comes with:

  • 1 WiTouch Wireless TENS Unit
  • 1 WiTouch Remote (push button)
  • 1 Pair of Hollywog WiTouch gel pads, dimensions: 3.125-inches x 2.375-inches
  • 1 CR2032 lithium battery (installed in remote)
  • 1 Size #0 Phillips head screwdriver tool
  • 1 Storage Box
  • 1 User’s Manual
  • 1 Quick Start Guide
  • 1-Year Warranty

For freedom from painkillers, this unit is the best thing to relieve pain to get you through those painful times.

 Download User's Manual

4. iReliev® Mini Wireless Tens Pain Relief Patch

iReliev<sup>®</sup> Mini Wireless Tens Pain Relief Patch width=
Our Rating: 5 out of 5 stars

The small iReliev® Mini Wireless Tens Pain Relief Patch speedily relieves muscle and joint pain where it hurts and aches most. The wireless TENS technology is easy to use and is very effective. No prescription is necessary from the doctor with the FDA cleared unit. It comes with 2 electrode pads for soothing pain relief.

For portability to take with you where you go, the control unit on this TENS is easy to operate and it is a single channel device. With no wires to trip over, you snap the electrode pads to the backside of the control unit and apply to the sticky gel pad to your skin where you are experiencing pain. The unit automatically shuts off after 20-minutes of use, therefore, it is energy efficient.

The TENS has one preset mode for relieving back, shoulder, arm, and leg pain. It will also feel great at joints and sore muscle areas. It is used for athletic injuries, sprains, slight strains, and arthritis pain.

For being such a small unit, you will be amazed at what it can do at under $30. It has 8 intensity levels where you can identify the level that is most comfortable for you for acute and chronic pain.

The TENS uses 10 mA output power making it strong. iReliev® model ET-0303 is powered by 1 Lithium Coin Cell battery (CR2032).

The control unit is micro-size, 2.5-inches x 1-inch, and only one-half inch thick and It weighs less than one ounce to be light on your body.

Gift-wrapping is available and the unit comes with 1 iReliev Pain Relief Patch Device, 2 snap style electrode pads, and 1, 3-Volt CR2032 battery and a 1-year Warranty. The unit is made in Taiwan.

 Download User's Manual

Important Considerations

If you have a cardiac pacemaker, active implanted defibrillator, or other implanted metallic or electronic device, the unit could cause an electric shock, burns, electrical interference, or even death. Pregnant women should not use the device. Always consult your healthcare provider for any questions you have about yourself when considering using any TENS units. Do not use on your head or face. Do not use for migraine headaches; just neck and shoulder where tension lives. Do not use on the chest—the heart is there and is electrical.

Keep out of the reach of children; no one under the age of 16 should be using the TENS pain relief management system. Use only as directed in your User’s Manual. A TENS unit is an electronic medical device. Always read the label and User’s Manual.

Final Thoughts

You will be delighted using your home TENS or EMS (Electrical Muscle Stimulation) unit to relieve sore muscles, joint pain, and nerve pain to stimulate painful body areas. A TENS unit works on nerve endings while the EMS unit awakens your muscles. There are no side effects as attested to by many medical professionals. These units are professionally used by chiropractors, physical and massage therapists with successful results. No drugs are involved and when you use the device, you might be able to stop taking painkilling drugs that leave you feeling out of control. One more thing—are you sleeping on the right pillow? Happy shopping and be well.

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