Features 1. Knee Massager uses vibration and heat therapy to provide relief from various types of knee pain, including runner's knee, and post-workout soreness. The deep-tissue massage created by the device can help reduce tension and soreness in the knee joint, while heat therapy increases blood flow and promotes healing. 2. Material: Knee Massager is made of premiu materials, including a soft, comfortable pad that rests against the knee and durable adjustable straps that ensure a secure and comfortable fit, regardless of the size of the knee. 3. Improved Muscle Mobility: The vibration therapy provided by Knee Massager can help improve muscle mobility and flexibility in the knee joint. 4. Easy to Carry and Lightweight: Knee Massager is a portable massager that is designed to target knee pain and discomfort. Knee Red Light Massager is a compact, lightweight device that can be easily carried and used on the go. 5. Increased Blood Flow: By using Knee Massager, users can help promote healing and reduce by increasing blood flow to the knee. The device increases blood flow and promotes healing. Specification Material: ABS Color: White Size: 24.4 x 15.6 x 15.8 cm Weight: 975 g Rated voltage: 3.7V Battery capacity: 3000mAh Input current: DC5V---2A Package Include: 1x Knee Massager