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. NOTE: This device should not be used by people who have pace makers.