Overheat Protection Our portable deep kneading massager is equipped with an overheat protection device and a 15-minutes auto shut-off feature. If the massager exceeds working temperature, the safety device will automatically shut off the motor to ensure user's safety and prevent damage to the unit. Real Massage Therapist Hands 4 deep massage nodes, Clockwise massage& Anti-Clockwise kneading rotation to imitate human fingers provide you a unforgettable whole body massage. Breathable Mesh Breathable mesh fabric helps promptly dissipate heat accumulated. Unique breathable mesh design helps penetrate heat from massager to your body parts, and the heat can effectively relax the muscles during massage. AC and DC Adapter Come with AC and DC adapter, for you can plug anywhere you want even in the car, to enjoy a relax massage.