The Digital EMS 2-Channel TENS Unit is a portable electrotherapy device with adjustable settings to provide you with the experience you desire. The EMS 5.0 is an electrotherapy device uses to stimulate and relax muscles by using electrical impulses. This gadget comes with different settings with three modes, has an adjustable pulse rate and width, flexible pulsed ramp, pulse amplitude, and contraction and relaxation control to provide you with the ideal experience to meet your specific needs. This tool is ideal for regaining muscle strength after surgery or being in a cast. This device is portable and can be clipped to clothing to allow for therapy in any convenient setting.