iSTIM EV-804 TENS/EMS 2 Channel Rechargeable Combo Machine Unit – Muscle Stimulator + Back Pain Relief and Management- 7 modes/24 Programs/Backlit (Including Electrodes Pads)

Price: $80.99
(as of Mar 22, 2026 18:08:32 UTC – Details)

Product description

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iSTIM TENS/EMS and Incontinence Treatment Series

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Customer Reviews

4.4 out of 5 stars 1,079

4.4 out of 5 stars 2,616

4.5 out of 5 stars 193

4.5 out of 5 stars 1,523

4.3 out of 5 stars 474

4.1 out of 5 stars 1,970

3.9 out of 5 stars 110

Price

$80.99$80.99

$125.88$125.88

$120.66$120.66

$32.66$32.66

$59.88$59.88

$125.88$125.88

$122.88$122.88

Channel

2 Channels

4 Channels

4 Channels

2 Channels

2 Channels

1 Channel

1 Channel

Stimulator Type

TENS + EMS (Combo Unit)

TENS + EMS (Combo Unit)

TENS + EMS (Combo Unit)

TENS

TENS

Incontinence EMS

Incontinence EMS

Modes

8 Modes(5 TENS+2 EMS Modes)

8 Modes(5 TENS+3 EMS Modes)

x

5 Modes

3 Modes

x

x

Programs

24 Preset Programs

24 Preset Programs

30 Preset Programs

12 Preset Programs

x

5 Preset Programs

6 Preset Programs

Charging Type

Rechargeable (lithium battery)

Rechargeable (lithium battery)

Rechargeable (lithium battery)

Non-Rechargeable (9V Battery)

Rechargeable (lithium battery)

Non-Rechargeable(AA Batteries)

Rechargeable (lithium battery)

Level

For sports and medium users

Highest Level Machine

Highest Level and easy to use

Basic functions for new users

Basic functions for new users

For Incontinence Treatment

For Incontinence Treatment

Backlit Screen

✔

✔

✔

✘

✘

✘

✔

FDA(OTC Approved)

✔

✔

✔

✔

✔

✔

✔

Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 7 x 6 x 3 inches; 5.29 ounces
Item model number ‏ : ‎ EV-804
Batteries ‏ : ‎ 1 Lithium Polymer batteries required.
Date First Available ‏ : ‎ May 12, 2018
Manufacturer ‏ : ‎ Everyway4all
ASIN ‏ : ‎ B07D1YPTGF
Best Sellers Rank: #144,734 in Health & Household (See Top 100 in Health & Household) #366 in Muscle Stimulators & Accessories
Customer Reviews: 4.4 4.4 out of 5 stars (1,079) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
TENS: “Transcutaneous Electrical Nerve Stimulation”- a safe, non-invasive, drug free method of pain relief used by Physical Therapists and professional Doctors for over decades. By delivering stable pulses to the skin to stimulate nerve fibers, Tens unit could effectively block the pain signal to people’s brain. At the same times, increases natural endorphins, which is a natural pain reliever. In many cases, the reduction or elimination of pain lasts longer than the actual period of stimulation.
EMS: “Electrical Muscle Stimulation” is an internationally accepted and proven way of treating muscular injuries. It works by sending electronic pulses to the muscle needing treatment; this causes the muscle to exercise passively. When the muscle receives this signal it contracts as if the brain has sent the signal itself. As the signal strength increases, the muscle flexes as in physical exercise. When the pulse ceases, the muscle relaxes and the cycle starts over again.
iSTIM EV-804: Digital TENS EMS combo stimulator comes with 2 channels, 5 TENS modes, 2 EMS modes and 24 preset programs, sending comfortable impulses through the skin that stimulate the nerve fibers in the treatment area. Effectively Block the pain signal to your brain! Safe and highly effective stimulation helps for treating chronic or acute pain (e.g. shoulder tension, back pain, arthritic, knee pain) and provides muscle relaxation and muscle strengthening.
JAPANESE ELECTRODE PADS: High-grade, and biocompatible SEKISUI Japanese gel, which facilitates efficient conducting of the electrical stimulator’s current to the patient’s skin in a dispersed manner. 100% SEKISUI Japanese Gel is the harmless ingredients and the best fit for even sensitive skin users. Use the iStim EV-804 with our best electrodes, making your every pain relief treatment more effective with perfect and comfortable experience [NOTE: DO NOT USE Extra Electrode Gel]
APPROVAL + PRODUCT SET: Approved for the pain relief product. No prescription needed. Safe, All-Natural, Drug Free and Long-Lasting Pain Relief. 510K approved for OTC use and safety regulations (IEC60601-1, IEC60601-1-2 EMC) certified. Made in Taiwan. PRODUCT SET: Tens + EMS combo Unit x 1; Electrode Pads x 8; Lead Wires x 2 ; Instruction Manual x 1; Quick Guide x 2; USB Charger & Lead x 1 [NOTE: DO NOT USE EXTRA ELECTRODE GEL!!]
FSA/HSA Eligible: This product qualifies as FSA/HSA eligible, meaning you can use your flexible spending or health savings account to purchase it.