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Ultimate Muscle Stimulator & Back Pain Relief: iSTIM EV-804 TENS/EMS Combo




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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)
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)
  • 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!!]
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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)

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 ingredient 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 a 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; Carrying Case x 1 [NOTE: DO NOT USE EXTRA ELECTRODE GEL!!]

Benefits of the iSTIM EV-804 TENS/EMS Combo Machine Unit

  • Pain Relief: The iSTIM EV-804 provides effective pain relief for various conditions such as shoulder tension, back pain, arthritis, and knee pain.
  • Muscle Stimulation: With its 2-channel design and multiple modes, the iSTIM EV-804 stimulates and strengthens muscles, helping with muscle relaxation and rehabilitation.
  • Easy to Use: The combo machine unit is user-friendly, allowing individuals to easily navigate through the different modes and programs for personalized treatment.
  • High-quality Electrode Pads: The included SEKISUI Japanese gel electrode pads ensure efficient and comfortable stimulation, suitable for even sensitive skin users.
  • Portable and Rechargeable: The iSTIM EV-804 is compact and rechargeable, making it convenient for use at home, work, or on the go.

Drawbacks of the iSTIM EV-804 TENS/EMS Combo Machine Unit

  • Limited Programs: While the iSTIM EV-804 offers 24 preset programs, some users may prefer more customization options for their specific needs.
  • No Extra Electrode Gel: The product set does not include extra electrode gel, so users need to ensure they have an adequate supply for continuous use.

Question and Answer Section

Q: Is the iSTIM EV-804 TENS/EMS Combo Machine Unit safe to use?

A: Yes, the iSTIM EV-804 is safe to use. It is approved for pain relief and meets safety regulations (IEC60601-1, IEC60601-1-2 EMC) certified.

Q: How long does the battery last?

A: The iSTIM EV-804 has a rechargeable battery that can last for several sessions before needing to be recharged.

Q: Can the iSTIM EV-804 be used for muscle strengthening?

A: Yes, the iSTIM EV-804 is designed to stimulate and strengthen muscles, providing both pain relief and muscle rehabilitation.

Q: Are the electrode pads reusable?

A: Yes, the electrode pads included with the iSTIM EV-804 are reusable. However, it is recommended to replace them after a certain period for optimal performance.

Summary

The iSTIM EV-804 TENS/EMS 2 Channel Rechargeable Combo Machine Unit is a versatile and effective tool for pain relief and muscle stimulation. With its various modes and programs, it provides customizable treatment options for different conditions. The high-quality electrode pads ensure comfortable and efficient stimulation, and the portable design allows for easy use anywhere. While some users might prefer more customization options and additional electrode gel, the iSTIM EV-804 remains a reliable and safe choice for managing pain and promoting muscle health.

Pros and Cons

Pros:

  • Effective pain relief
  • Muscle stimulation and rehabilitation
  • User-friendly
  • High-quality electrode pads
  • Portable and rechargeable

Cons:

  • Limited programs
  • No extra electrode gel included

If you want to find this product on Amazon’s website, search with this exact ASIN number: B07D1YPTGF, or you can click the link below:

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)
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)
  • 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!!]
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  • 【Advanced Electrode Pads】: Our state-of-the-art electrode pads, crafted from the latest materials, offer an optimal fit to the skin, providing a soft and skin-friendly touch for effective pain relief. Their reusable nature adds to the convenience, ensuring a sustained and comfortable experience in your DIY pain management routine.
  • 【Exquisite Design】: Boasting the latest appearance design, our device features a clear interface coupled with powerful functions. With multiple modes at your disposal, tailor your massage experience to match your preferences and discover the technique that best suits your DIY pain relief needs.
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AUVON 3-in-1 TENS Unit Muscle Stimulator, EMS Massage Machine with 40 Intensities for Gradual Shoulder, Sciatica, Back Pain Relief, 24 Modes Rechargeable Electronic Pulse Massager with 12 TENS Pads
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  • What You Receive: 1 x Dual Channel Electrodes Muscle Stimulator, 8 x Square 2" TENS Machine Pads, 4 x Large Rectangular 2" x 4" Pads, 2 x Lead Wires, 1 x Pads Holders, 1 x Type-C Cable, 1 x User Manual, AUVON 24-month warranty support, and friendly customer service
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  • TENS: "Transcutaneous Electrical Nerve Stimulation"- a 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 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. Then when the pulse ceases, the muscle relaxes and the cycle starts over again.
  • iStim EV-805: Rechargeable Digital TENS EMS combo stimulator comes with 4 channels, 5 TENS modes, 3 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! 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 Japanese gel, which facilitates efficient conducting of the electrical stimulator’s current to the patient’s skin in a dispersed manner. 100% Japanese Gel is the best fit for even sensitive skin users. Use the iStim EV-805 with our best electrodes, making your every pain relief treatment more effective with perfect and comfortable experience [NOTE: DO NOT USE Extra Electrode Gel]
  • PRODUCT SET: TENS + EMS Combo Unit x 1; Electrode Pads x 24 (3 Types: 2"x2"+ 2"x4"+ 2"x2" Black); Lead Wires x 4 ; Instruction Manual x 1; Quick Guide x 2; USB charger & Lead x 1; Sealable Bag x 2. All made in Taiwan.
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  • The device is also compact enough, making it easy to carry, wear on your hip or just have in your pocket with a sleek and modern design in white and blue back lit display.
  • The large digital display makes it easy to select a, program, mode, and pulse setting. Easily view the program you are on with description of Therapy Mode. High output prescription grade output. Avoid the hassle of insurance billing with this RX to OTC 2 in 1 TENS + EMS Unit.
  • Includes lead wires, (4) 2″ x 2″ and (2) 3.5″ x 5″ self-adhesive reusable electrodes, rechargeable lithium ion battery, USB/ AC adapter, clear belt clip holder, tote bag, quick start guide, and instruction manual.
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  • An Industry Leader Since 2008... Roscoe Medical has over 10+ years providing back pain relief devices to consumers for drug-free pain relief. Trust our TENS units to get you back on the job or back on your feet, a leader in electro therapy for muscles
  • 4 Channel TENS EMS Unit... TENS unit and EMS unit provides electro stim using 4 independent channels that control up to eight(8) TENS unit pads. TENS machine is just like the one professionals use in their office
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  • PRESCRIPTION STRENGTH PAIN RELIEF, Non-Invasive, Non-Drug Choice for Relieving Pain. Great Device You Can Use at Home for Pain Management. If you have chronic or acute pain,for treating back pain, shoulder tension and muscle Relief.
  • DRUG FREE PAIN RELIEF: drug-free pain relief for common ailments including Back, Neck, Shoulder, Knee, Elbow, Leg and Foot pain. Full Power TENS EMS Combo 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)
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  • System Includes: Dual Channel TENS EMS Combo Stimulator, Lead Wires, 1 package of Starter Self-Adhesive Electrodes, 1 x9V Battery, Belt Clip, Hard Carrying Case, Instruction Booklet. Uses Industry standard electrodes, batteries and lead wires, which makes getting replacement supplies easy
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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)
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)
  • 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!!]
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TENS 7000 Digital TENS Unit with Accessories - Muscle Stimulator Machine for Back Pain Relief, Sciatica, Neck, Nerve, Shoulder, Hip, Elbow, Muscle Pain Relief
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  • Need Prescription Strength Pain Relief? A TENS unit muscle stimulator and TENS machine 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 3M 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 In Nerve Pain Relief. A 15+ year favorite TENS device among medical professionals for delivering back pain relief as well as treating common ailments like neck pain relief, carpal tunnel relief, arthritis, elbow, 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
  • Professional Strength TENS Unit. The TENS 7000 TENS unit provides TENS therapy and is a muscle stimulator, nerve stimulator, and leader in sciatica pain relief devices. TENS Machine controls four(4) TENS unit pads (electrodes) for targeted pain relief
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Last update on 2025-07-06 / Affiliate links / Images from Amazon Product Advertising API.

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  • Fanttik Slim V8 Apex Car Vacuum, 19000PA High Power, 4 in 1 Portable Mini Vacuum, 2.5H Type-C Fast Charge, Up to 40 Mins Runtime, RobustClean Handheld Vacuum for Car, Home, Keyboard Cleaning, Black
  • Anker Easy Fit HD Screen Protector, for iPhone 16 Pro Screen Protector, Ultra-Durable and Thin ShieldX Protection, Dust-and Fingerprint-Free with Extended Coverage, Fast and Easy Installation, 6.3-Inch for iPhone 16 Pro (2-Pack)
  • Anker Prime Charger, 100W USB C Charger, 3-Port GaN USB Charger Block, Foldable and Compact for MacBook, iPad, iPhone Series, Galaxy S24/S23, and More
  • Anker Ultra Magnetic for iPhone 16 Pro Case with Sturdy 360° Ring Stand, Military-Grade Shockproof iPhone 16 Pro Kickstand Compatible with MagSafe(White)
  • Air Choice Oil Filled Radiator Heater, 700W Portable Space Heater with Adjustable Thermostat, Electric Mini Heater Heat Up 120 Sq.Ft Quickly, Automatic Power-off and Durable Oil Heater for Indoor use

About Me

I’m a Software Developer, Mechanical Engineer, Photographer, and Tech Lover!

Thanks For Reading!
-David Nguyen

What is UTECHPIA?

A place where I can review, compare, and rank the latest tech gadgets.  I do lots of unboxing and reviews; some with unusual high energy for your entertainment!

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