NURSAL 3-in-1 Tens Unit Muscle Stimulator Machine, Dual Channel Electronic Pulse Massager, Tens Ems Machine with 40 Intensities for Gradual Pain Relief Therapy

💆【Multi-functional & Professional】: Tens Electric Massager with 22 Modes, 40 Levels Intensity for Pain and Muscle Relief. Tens unit help relieve pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper / lower extremities(arm/leg) due to strain from exercise, overwork or normal household work activities. 💆【A/B Dual Channels Tens】: You can operate it with different intensity settings for each channel to pain relief therapy. Electrode pads are reusable and provide reliable adhesive properties, thus it sticks easily to your skin, back, shoulders and other body muscles. The Tens Unit is also intended to be used to stimulate healthy muscles in order to improve and facilitate muscle performance. 💆【Powerful Rechargeable Battery】: No worries about treatment interruption for dead AA batteries any more! Package includes a USB cable (No Adapter) that can be connected to a wall charger, power bank or laptop USB port to charge. One charge provides 30 hours of usag