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Electrotherapy (TENS) Amazon Brand: iSTIM

X1 Wireless Heat TENS Unit Muscle Stimulator for Back Pain

3.5 (63 reviews)
X1 Wireless Heat TENS Unit Muscle Stimulator for Back Pain

The X1 Wireless Heat TENS Unit Muscle Stimulator for Back Pain is a electrotherapy (tens) item from iSTIM. Rated 3.5 out of 5 across 63 reviews on Amazon.

  • TENS TECHNOLOGY: Transcutaneous Electrical Nerve Stimulation (TENS) is a non-invasive method that delivers steady pulses through the skin to stimulate nerve fibers, interrupting discomfort signals to the brain and supporting the release of natural endorphins, the body's own soothing chemicals
  • HEAT THERAPY FUNCTION: Heat therapy works by enhancing circulation and blood flow to specific areas through elevated temperatures, helping to alleviate discomfort and enhance muscle flexibility while providing soothing relief to the treatment area
  • WIRELESS AND RECHARGEABLE DESIGN: This wireless and rechargeable Heat and TENS combination stimulator features 15 adjustable intensity levels, sending comfortable impulses through the skin that stimulate nerve fibers in the treatment area for customized relief anywhere

See all features Price history

Key features

Features as stated by the seller on Amazon.

  • TENS TECHNOLOGY: Transcutaneous Electrical Nerve Stimulation (TENS) is a non-invasive method that delivers steady pulses through the skin to stimulate nerve fibers, interrupting discomfort signals to the brain and supporting the release of natural endorphins, the body's own soothing chemicals
  • HEAT THERAPY FUNCTION: Heat therapy works by enhancing circulation and blood flow to specific areas through elevated temperatures, helping to alleviate discomfort and enhance muscle flexibility while providing soothing relief to the treatment area
  • WIRELESS AND RECHARGEABLE DESIGN: This wireless and rechargeable Heat and TENS combination stimulator features 15 adjustable intensity levels, sending comfortable impulses through the skin that stimulate nerve fibers in the treatment area for customized relief anywhere
  • JAPANESE ELECTRODE PADS: High-grade and biocompatible Japanese gel facilitates efficient conducting of the electrical stimulator's current to the skin in a dispersed manner, with 100% Japanese Gel suitable for even sensitive skin users with self-adhesive electrodes for comfortable experience
  • COMPLETE PRODUCT SET: Includes Heat and TENS Combo Unit, 8 Electrode Pads, Remote Control, Instruction Manual, USB charger and Lead, and 2 Parking Boards, with the iStim X1 manufactured in Taiwan
  • REMOTE CONTROL OPERATION: Conveniently adjust settings and intensity levels using the included remote control, allowing you to customize your therapy session without needing to reach the device during treatment

Brand and store

iSTIM

Sold byAmazon
CategoryElectrotherapy (TENS)

Specifications

Catalog data from Amazon.

Product Dimensions
5.91 x 5.91 x 5.91 inches; 1.1 pounds
Item model number
Heating TENS FT-810R
Batteries
2 AA batteries required.
Date First Available
August 23, 2024
Manufacturer
Everyway-Medical
Best Sellers Rank
#152,733 in Health & Household (See Top 100 in Health & Household) #355 in Muscle Stimulators & Accessories

Price history

We have been tracking this product since 09/19/2026. One point a day, whether the price moved or not.

Today it is at $87.86. The lowest price on record was $87.86, on 09/19/2026. The average for the period is $87.86.
This is the lowest price we have recorded.

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    How to document TENS and EMS parameters

    Frequency, pulse width, time and electrode placement: without these numbers in the note, the next session starts from zero and a colleague cannot repeat the treatment.

    See also: clinical notes for physical therapy

    Try Physioly

    What to look at before buying electrotherapy (tens)

    Criteria from someone who uses it with patients, not from someone who only sells it.

    FDA clearance and independent output channels are the minimum for clinical use. A good share of the generic marketplace units are home-use devices: fine for the patient to take home, not a replacement for the unit in your treatment room.

    Look at the price of replacement electrodes — that is where cheap turns expensive. A bargain unit whose pads cost a third of its price at every change is not a bargain.

    Frequently asked questions

    Answers from the data on this page: price, history and store.

    How much is X1 Wireless Heat TENS Unit Muscle Stimulator for Back Pain right now?

    It costs $87.86 on Amazon today, price checked on 10/17/2026. The lowest price we have recorded was $87.86, on 09/19/2026, and the average for the period is $87.86.

    Is it worth buying now?

    This is the lowest price we have recorded. We have tracked the price since 09/19/2026, one data point a day.

    Is X1 Wireless Heat TENS Unit Muscle Stimulator for Back Pain well rated?

    It has a 3.5 out of 5 rating from 63 reviews on Amazon. The rating comes from people who bought it at the store, not from us.

    What brand is X1 Wireless Heat TENS Unit Muscle Stimulator for Back Pain?

    It is made by iSTIM, in the electrotherapy (tens) category.

    What should I record after a TENS session?

    Intensity, frequency, pulse width, duration, electrode placement and the patient response. That is the minimum to repeat or adjust it next time.

    Does Physioly sell this product?

    No. Physioly shows the price and its history and takes you to the product page on Amazon. The purchase, delivery and warranty are with the store. We earn a commission and you pay nothing extra.