Bests & Worsts Reviews from Amazon

I am having sciatic pain in my back and leg and this tens unit helps to relive it. It is very small and light weight. I like that it has many preprogrammed settings making it simple to use. It charges using a USB cable and wall adapter that comes with it. I am a truck driver and can use it while I'm working. I don't have to worry about the battery dying on me while I'm at work. I can just plug it in to the charging port on the dash and charge it up. Not that it needs it. The battery last a long, long time. I have had it for a week now and have used it every day.