Description: Rapid heating: it can provide super comfortable far-infrared ray treatment for knee arthritis pain and injury recovery, keep the knee warm, and can also be used for lower legs, thighs and arms to alleviate muscle pain and spasm. One button control and three thermal settings are very easy to operate and can fully control the heating temperature and time The built-in net bag can be put into an ice bag for cold compress or a mug for moxibustion Adjustable fixation: three fork shoulder strap design, closure. Suitable for most sizes of left or right knee. The heating pad can be wrapped around and locked at the knee, so you no longer need to hold it with your hands. It has a with adjustable length and can be added if necessary. Best gift: heated knee pads are the perfect gift for grandparents, parents, friends, lovers and yourself! Specification: Material: Cloth Size Chart: Size: 21.8×59cm/8.58×23.23inch Package Includes: 1 Piece Heating knee pad 1 Piece Charging cable 1 Piece Power adapter (USB Plug) 1 Piece Manual Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 3. Wish you a wonderful on-line shopping!