The FitRx Wireless Electrode Massager is a portable and rechargeable unit designed for full-body use. With 4 massage heads and a focus on pain relief, this electrode massager offers a soothing experience for the user. Powered by USB charging, this black plastic device has an endurance time of 1 hour, making it convenient for on-the-go relaxation. Ideal for those looking for a customizable and compact massage solution. User Manual damaged.