Belifu Dual Channel Tens Unit Electro Muscle Stimulator, Fully Isolated with Independent 24 Modes, Rechargeable Pulse Massager with Electrodes Pads

Belifu Dual Channel Tens Unit Electro Muscle Stimulator, Fully Isolated with Independent 24 Modes, Rechargeable Pulse Massager with Electrodes Pads for Neck Back Arms Chronic Pain Relief Body Building