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⚡ Recharge your recovery — pain relief and muscle revival in one sleek device!
The iStim EV-804 is a professional-grade, dual-channel TENS/EMS stimulator offering 24 preset programs and 7 modes for effective pain management and muscle stimulation. Powered by a 9V battery, it features adjustable pulse settings and premium Japanese SEKISUI gel electrode pads for optimal conductivity and comfort. Certified for safety and OTC use, it’s designed for chronic and acute pain relief targeting back, neck, knee, and more, making it an essential tool for modern wellness and recovery.












| ASIN | B07D1YPTGF |
| Best Sellers Rank | #55,731 in Health ( See Top 100 in Health ) #101 in Muscle & Nerve Stimulators |
| Brand | iSTIM |
| Brand Name | iSTIM |
| Color | white |
| Colour | white |
| Customer Reviews | 4.4 out of 5 stars 1,035 Reviews |
| Form Factor | handheld |
| Is Product Cordless | No |
| Item Dimensions L x W x H | 17.8L x 15.2W x 7.6H centimeters |
| Item Weight | 150 Grams |
| Item weight | 150 Grams |
| Manufacturer | Everyway4all |
| Manufacturer Part Number | EV-804 |
| Massage Therapy Technique | Effleurage |
| Massager Form | Massage Mat |
| Material | Plastic |
| Material Type | Plastic |
| Model Name | iStim EV-804 |
| Model Number | EV-804 |
| Other Special Features of the Product | Cordless |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Product Benefits | Pain Relief and Muscle Stimulation |
| Product Grade | Home |
| Specific Uses For Product | back pain, arthritic pain, knee pain |
| Style Name | Modern |
| Target Use Body Part | Back |
| Unit Count | 1 Count |
| Use for | Back |
| Water Resistance Level | Not Water Resistant |
H**A
high quality
highly recommend but the pads lose the gal quickly
S**A
تخفيف الآلام
جيد جدا
A**A
Buon prodotto!
Lo sto usando da subito appena consegnato e sto notando dei buoni miglioramenti. A fine mese dovrò comunque sottopormi a visita neurochirurgia per problemi di protusioni legati a sversamenti nella colonna vertebrale oltre a varie infiammazioni. Però il dolore si è notevolmente attenuato e probabilmente anche l’infiammazione.
A**A
Brilliant medical-grade device for older adults. Simple and effective.
I purchased this on the advice of my GP to help with my mobility and pain management. At my age, finding a safe and non-invasive treatment is crucial. I use the EMS mode daily to keep my leg muscles active and fight off weakness, while the TENS mode is absolutely brilliant for melting away my neck and shoulder tension. The machine feels very sturdy, and adjusting the intensity via the rotary dials is incredibly intuitive and safe. It’s a powerful little gadget that has genuinely improved my day-to-day comfort. Highly recommend it to any seniors struggling with similar aches!
M**L
High Quality
The build quality of the iStim EV-804 is top-notch. It feels solid and well-made, with a rigid casing that doesn't feel thin or cheap at all. It works as expected i have no complains.
K**L
Love it!!
Love, love, LOVE this little TENS/EMS unit! It's perfect for what ails both me and my hubby. One reason a star got knocked off is that the directions are confusing and it doesn't explain what the symbols mean in a way I was able to understand. Had to watch a few YouTube videos of a chiropractor explaining what width, pulse rate, etc. were. Once I got the gist of it, everything else was very, very simple. I do wish that the electrodes didn't use the pigtail leads and just snapped into place. Hard to push the metal part into the black part of the electrode due to wrist pain, but eventually was able to get the wire to go in. Attaching it to my shoulder where I'm experiencing the most pain was a little bit of gymnastics, but I was able to place the electrodes in the correct spots without assistance. Electrodes stick very well the first and second time, but then start to lose their adhesion ability the third time so had to switch them out for fresh ones. Thankfully the unit came with extra electrodes, and I also ordered a whole bunch extra, too because I know up be going through them quickly. Hubby and I were fighting over who would get to use the machine first on Sunday, lol, so I just went and ordered another one so we can do our treatments at the same time without having to wait on each other to be done. All in all, great little unit. Also showed it to my chiropractor and he says it's a great quality machine and he approved of it, so that's a plus. Very effective for pain and tension relief, love the different programs, and that you can customize the settings if you need something different. There are 12 programs for the TENS portion, and I believe there are like 5 - 10 programs for EMS. I prefer the TENS; EMS is a little bit too forceful for me at this point. I'll have my chiropractor adjust the settings on that part for me. After 1-1/2 months of intense shoulder pain and dealing with lateral Epicondylitis on top of it, I was actually able to sleep most of the way through the night this past weekend!! I was forgetting what actual sleep felt like without pain! Definitely a keeper and I recommend it to anyone who is on the fence about purchasing a unit like this. Best of all, the machine and the electrodes are FSA/HSA eligible, so if you have an account with either, you can just use that to pay for it. A receipt was not delivered with the unit, so I had to go into my orders and print out the invoice for both of my orders in case the IRS questions me about it. It feels so nice not to have to choke down more ibuprofen or naproxen. Those meds were starting to make my stomach hurt due to having to take them regularly. I don't need an ulcer on top of everything else I have going on! Thank you to Istim for making this wonderful unit!
M**I
Un appareil qui vous veut du bien !
Suite a une rupture du ligament croisé a cause d'une chute en ski, mon kiné m'a conseillé l'achat d'un électro stimulateur dans l'objectif de rechercher la réactivation du quadriceps pour remarcher normalement au plus vite. Cette appareil m'a permis de retrouver cela très rapidement. Même mon kiné était impressionné ! 🙂 Cerise sur le gâteau, le station est capable de réduire voir supprimer la douleur. C'est un énorme soulagement ! Bref, un appareil que j'utilise quotidiennement. Très content de mon achat
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