Electronic Muscle Stimulator – TAMTEC SPORT 4 TENS EMS Unit – Microcurrent, Interferential IFC, Russian Stim, ARP Recovery – Pain Relief, Muscle Building & Toning – Portable 4-Ch Electrotherapy Device

IFC setting works well. Relieves pain. Portable is a must have!However, the stimulation pattern is a bit basic. It oscillates between weak, strong and off. A few seconds of each. Would like if the transitions between strengths at a particular intensity were smoother. It does not sweep at all. the tone-a-matic electrodes proved some stim discomfort and if you turn it up too high you may get skin irritation.Overall I like it, as a Professional model would be 10x the cost. The machine seems to consume more power than the charger can provide so you can’t run it just off AC. It will shut off if the battery is low. I suggest an external charger. Comes with 2 batteries! Amazing product and I would buy againReducing to 4 stars because just after 30 days the battery spring fell off. I'm going to have to solder it back on.

I have been very pleased with this product. Its almost impossible to find an Electro Therapy unit of this size and cost that provides 8 different modalities (IFC, micro current, Russian Stim, etc) and a powerful protected 18650 Li-Ion battery . I had a small malfunction with one of the USB-Type B channel ports but that is more of a negative reflection on the USB standard as all USB types don't hold up well to frequent un/plugging. The manufacturer recommends leaving cables plugged in or simply or invest in USB Type B socket savers. I dealt directly with the seller who was extremely responsive and had me send the unit back for a full replacement. The seller also generously compensated me for my return shipping cost with a couple of great accessories!

I am very happy with this product ! I use it on myself and I love it. Very easy to use and relieves pain. Recommend it!

Expected more for this kind of money I see no difference

I was able to use this for 1 month and the wall plug stopped working. So now I have to depend on the battery which now lasts 1 hour. Very difficult to work like this. I wish the wall charger still worked.

I like that it has a rechargeable battery and plugs into the wall.

Great machine if it worked, my first one I had to exchange because the connection pieces came out with wires so no way I could connect wires back into machine. Second one I decided to keep them in to prevent it from breaking, however in 1 month it stopped working. It turns on, led screen light up but menu does not show up unless you tilt it, I though ok I can choose abd adjust strength while tilting the machine so I can see but NO electrical stimulation - it also stopped working.

I have had this for about 4 years now and have had no problems with the unit. Has a very good battery life before needing a charge. Also has a fairly good instruction manual on how to use the various wave forms.Comes with different size pads and accepts other brands of pads as long as the connections are the same.I have severe L5 S1 degenerative disc and collapse of the space and require epidural blocks every 3 months.I am still working, self employed. I use this whenever the pain keeps me awake at night. Stimulation helps block the pain pathway to the brain. Also since I have a hard time maintaining muscle tone in my legs I use the muscle tone wave forms .Important to read the directions because if the pads are not making good contact you will get a stinging pin prick sensation . Wet pads or skin for good conduction or conduction gel.