Note: This item comes with US plug, please confirm the voltage of your area before purchasing. DescriptionAre you looking for a practical knee heating pad? If so, this product can be your great choice. The heating knee pad provides comfortable massage and warm for you, helping yourelieve joint discomfort, muscle stiffness, and other problems, allowing you to better enjoy your life.The knee heating padis easy to use and comes with a simple, user-friendly control panel.Features-Color:As shown -Material: SBR fabric -Size: About 73.00X28.00X22.00cm/28.69X11.00X8.65in -Built-in battery: 2300mAh (18650 lithium battery) -Rated voltage: 110V-240V -Charging time: 2.5-3 hours -Power: 12W -Heating temperature: 45-65C -Temperature control range: 45-65C -Control gear: Three modes of timer - Comfortable massage: This heated knee pad can effectively relieve your body problems such as cold knees and stiffness through heating. - Timer function: You can preset the massage and heating time, no need to worry about being overheated, bringing you much convenience. - Rechargeable design: This heated knee pad is rechargeable and it has a long battery life, no cords disturbing, canbe used anywhere, anytime. - Wide application: The heated knee pad is not only s uitable for knee joints, but also can be applied on shoulder joints, elbow joints, etc. - Easy to wear: This heated knee pad is equipped with a hook and loop fastener, easy to adjust the tightness and fits various people.