16 different massage modes  

 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 2 output channels.  The 16 different massage modes and one soothing haiku mode stimulate tense and sore muscles by sending pulses through the included electrode wires and adhesive pads.