The Rechargeable Tens Unit Electronic Pulse Massager is a compact, portable, micro-computer controlled device designed for sore muscles and pain. With 6 modes and 20 strength level adjustments, use this massager on your arms, neck and shoulders, back, legs, feet, joints etc. This massager may help to relieve pain and numbness in your stiff neck, muscle spasms, muscle pains from over-exercising or stretching, numbness from a chronic condition, or carpal-tunnel syndrome. Set includes: One (1) pulse massager, Pads and wires collector, USB cable and wall charger

    Battery: Rechargeable internal lithium battery

    Product features: Dual-Channel, 2 or 4 pads, 1 or 2 users, 6 auto programs and manual mode, 20 strength level adjustments, 10 - 60 minute timer, USB cable, Rechargeable battery, 110-220 Volts, AC 4 Snap-On, Electrode pads included

    Dimensions: 1.7 inches x 3.2 inches