TENS + EMS Dual Channel Muscle Relief Pulse Massager with 8 Electrodes for Shoulder, Shoulder and Back Pain, Knee Muscle Relief

TENS + EMS Dual Channel Muscle Relief Pulse Massager With 8 Electrodes For Shoulder, Shoulder And Back Pain, Knee Muscle Relief, Injury Recovery, Portable Design, Perfect Gift For Family And Friends! Power Supply:USB Powered Battery Properties:Without Battery Effect:Muscle Relaxation Product Type:EMS+TENS