This is a strong little machine. Works well on my sore muscles (hiking, jogging, yoga) & helps with recovery time. USB power supply & fast to recharge. I'm ordering another one for my spouse. Thank you, Overstock!
i go up and down steps on a anchored supply vessle 14 days on 14 off if not for the knee brace i dont think i could make it. and at the price i paid i dont think tou can beat it. very pleased
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