Amazon.com: PUREMED 30 Modes TENS Unit Muscle Stimulator Machine, Pain I Tested the Copper Life TENS Therapy Device Heres Why Its a Game HANNEA TENS & EMS Unit Pain Relief Massager Cell Phone Controlled Mini Muscle Stimulator Electrode Pads for Neck Back Shoulders Legs 6 Mode+8 Intensity, With 3 Connectors (Micro USB C iPhone) Complete Guide To The Best TENS Machine: TENS Unit Reviews Ten unit I Tested the Copper Life TENS Therapy Device Heres Why Its a Game. Multiple massage modes: There are 6 massage modes (acupuncture, squeeze, circulation, kneading, massage and cupping), and each mode has 8 adjustable power levels to help relieve your pain. Portable packaging box: weighs only 60 grams, the massager can fit snugly in your pocket. Whether at work, at home or on the go, you can relax and enjoy an uplifting massage. Say goodbye to batteries or recharging: the massager comes with 2 conversion plugs to use your phone as a power source. Just plug in any Android device or iPhone to enjoy natural soothing pain relief anytime, anywhere. Efficient and inexpensive: This massager uses low voltage current to relieve pain. There is no need for expensive physiotherapy courses, just use ten pads where needed to immediately relieve the pain. What you can get: storage box, 2 pairs of gel pads, 2 conversion plugs, a 1. 35m cable with control switch.