Item Type: Air Pressure Leg Massager Material: Polyester Battery Type: Lithium Ion Battery Battery Capacity: 1800mAh (Ship with Inbuilt Battery) Function: Massage, Hot Compress, Make Your Legs Beautiful1Air Pressure: The pressure pressure design relaxes the muscles of the legs. Through the gentle pressure of air pressure, the pressure is transmitted to the veins with the help of muscle tissue, and the ankles are pressed against the legs to gradually decrease upwards, effectively relieving the pressure on the venous valves. 2Five Levels Massage: Five Levels soothing, deeply relax the legs, imitate the real kneading technique, deeply massage, relieve the soreness of the legs. 3All Inclusive Massage: around the all inclusive massage method, flexible use, massage while fitness, relieve muscle soreness after exercise. 4Hot Compress: The constant temperature adjustable hot compress is as warm as a sauna, giving you warmth from your legs to your whole body. 5Scope of Application: Leg massager is suitable for long term sitting, standing or walking for a long time, and muscle soreness that is not stretched in time after exercise. 1 xAir Pressure Leg Massager 1 xUSB Charging Cable