<p>Features 1. Knee massagers use vibration and heat therapy to relieve various types of knee pain, including runner's knee and post-workout soreness. The deep tissue massage generated by the device can help reduce tension and soreness in the knee joint, while heat therapy increases blood flow and promotes healing. 2. MATERIAL: The knee massager is made of high-quality materials, including soft, comfortable pads to rest on your knees, and durable adjustable straps to ensure a secure and comfortable fit no matter the size of your knees. 3. Improves muscle mobility: The vibration therapy provided by a knee massager can help improve muscle mobility and flexibility in the knee joint. 4. EASY TO CARRY AND LIGHTWEIGHT: The Knee Massager is a portable massager designed to target knee pain and discomfort. The 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 a knee massager, users can help promote healing and reduce blood flow by increasing blood flow to the knee. The device increases blood flow and promotes healing. Specifications Material: ABS Color: White Dimensions: 24.4 x 15.6 x 15.8 cm Weight: 975 g Rated voltage: 3.7V Battery capacity: 3000mAh Input current: DC5V---2A Packing list: 1x knee massager</p>