The Electronic Pulse Massager lets you zap electric pulses to specific sore spots for fast relief. Attach pads to skin and plug the cord into the pocket-sized controller. Simple one touch adjustment of massage time and electric pulse strength. An LCD display panel shows the current message mode, massage intensity, and time remaining. FDA-Cleared Class II medical device. It offers 8 massage stimulation modes, 18 intensity levels, an adjustable timer (10-60 minutes), and a rechargeable internal lithium battery. The package includes the massage unit, 2 pairs of adhesive electrode pads, 2 sets of electrode wires, a pad placement board, USB cable, and an AC adapter.