Knee Massager with Heat for Pain Relief Electric Cordless Vibration Knee Massage KNEE HEALTH CARE SOLUTION - This multi-functional knee massager is designed to relief soreness, discomfort for anyone suffering from any type of knee issues. The built-in air bag kneading equipment, multi-frequency vibration and heating pads which with an adjustables temperature(113F-122F-130F) designed to ease stiffness and boost circulation, with an automatic shut-off function for safety. A COMPREHENSIVE MASSAGER - This delicat wearable knee massager is not only an ideal solution for your knees, but can be also applied to your other parts like elbows or shoulders. In addition, more attention is needed in your daily life to the protection of the knee joint. With this knee massager twice a day, once 15-30 minutes, away from knee pain issues. Type-c charging portFor the first use, pleasecharge the product fullCharging time around 2-3hours. High frequency vibration massageBuilt-in high-frequency vibration motor , full range of vibration massagefor knee muscles , release the pressure of knee totally USB RECHARGEABLE KNEE MASSAGER - With the 3000mAh USB rechargeable battery (USB cable included), this knee massage machine is perfectly suitable and portable for traveling and it's more safety. On the other hand, the simple and delicate outlooking and the Adjustables strap provide a full and secure wrap fits around your knee. Ergonomic design, fully wrapped to fit the knee joint Vibration massage, automatic recognition and shutdown within 2 minutes after starting up It is equipped with a buzzer prompt function every time a button is touched. 10 minutes timed automatic massage Rated voltage:3 . 7V InputDC5V---2A Battery capacity3000mah Size:29cm/11.4in Package: 1 piece Knee Massage