AVCOO 30 Modes TENS EMS Unit Compact Muscle Stimulator for Pain Relief, Rechargeable & Portable Dual Channel Muscle Stimulator with 30 Intensity Levels and 12 Electrode Tens Unit Replacement Pads Red

30 Modes Dual Channel TENS EMS Unit, Ultra Compact AVCOO Rechargeable TENS Massager with 12 Pads for Pain Relief Therapy, Portable Muscle Stimulator with 30h Usage.Slim but Powerful: This mini dual-ch...