Description: Knee Health Solution - This multifunctional is designed to relieve soreness and discomfort for anyone with any type of knee problem. Built-in airbag kneading device, multi-frequency vibration and heating pad, adjustable temperature (113F-122F-130F), designed to relieve stiffness and promote circulation, and have automatic shutdown function for safety. Integrated Massager - This sophisticated wearable is not only an ideal solution for your knees, but can also be applied to other areas like the elbows or shoulders. In addition, it is necessary to pay more attention to the protection of the knee joint in daily life. Use this twice a day for 15-30 minutes and stay away from knee pain problems. When using the Type-c charging port for the first time, please fully charge the product, and the charging time is about 2-3 hours.High-frequency vibration massage Built-in high-frequency vibration motor, all-round vibration massage knee muscles, completely release knee pressure USB Rechargeable Knee Massager - Equipped with a 3000mAh USB rechargeable battery (USB cable included), this is ideal for travel and portable, more secure. On the other hand, the simple yet sophisticated look and adjustable shoulder straps provide a complete and secure wrap for your knees. Ergonomic design, full wrap fit knee joint Vibration massage, automatic recognition and shutdown within 2 minutes of power on It has a buzzer prompt function every time the button is pressed. 10 minutes timing automatic massage Rated voltage: 3. 7V Input DC5V---2A Battery capacity 3000mah Size: 29 cm / 11.4 inches Package: 1 knee massage, 1 data cable, 1 manual.