The PCH Digital Pulse Massager is a dual-channel battery operated muscle stimulation system that helps to relieve minor muscle aches and pains. This pocket-sized pain fighter features multiple settings and modes, a compact design, rechargeable internal lithium battery and two output channels. The eight different massage modes and one soothing haiku mode stimulate tense and sore muscles by sending pulses through the included electrode wires and adhesive pads. This belt combo set includes a pair of massage shoes to soothe aching feet and muscles. Color options: Black, silver, blue Dual-channel muscle stimulation system Compact device fits in the pockets of your pants Powered by a rechargeable internal lithium battery Materials: ABS, stainless steel Brand: PCH Settings: Eight different massage modes and speeds Package includes: Massaging shoes, pulse massager, rechargeable battery Digital Pulse Massager dimensions: 3.5 inches long x 1.6 inches wide x 0.25 inches thick Assembly required.