Your pocket-sized partner for muscle relief on the go. Compact but powerful, it delivers high-quality muscle treatment wherever you are. It alleviates muscle stiffness and soreness, enhances blood circulation, improves the health of soft tissues, and increases exercise range. Features noise reduction, a power on/off button, a charging light, USB rechargeable with input 5V/1A, and long-term battery life. A charging cord and pouch are included. 4 1/2" W x 4" H