Digital Pulse Massager is a dual-channel battery operated muscle stimulation system that helps relieve minor muscle aches and pains. This pocket sized pain fighter features multiple settings and modes, a compact design, rechargeable internal lithium battery and 2 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. Additionally the combo set features a pair of massage shoes. NOTE: This device should not be used by people who have pace makers.