Features 1. Heating Massage 2-in-1 Knee Pad - 3 modes of heating and vibration, you can enjoy 3 functions at the same time or separately. 2. It adopts environmentally friendly and low-consumption lithium battery with 5000mAh large capacity; 3 levels of heating and vibration settings, the lowest temperature is 45 degrees, the middle temperature is 65 degrees, and the highest temperature is 75 degrees; heating and massaging make the knees no longer tired 3. Charging for 3 hours, the battery life is long, and the heating and vibration are turned to the third gear at the same time, and the battery life can reach 90-120 minutes 4. The best choice for gift giving. Touch screen buttons, digital display of temperature and power for a better user experience 5. In the off state, press and hold the button for 1.5 seconds to enter the standby mode. The digital tube displays the current temperature and shuts down after 5 minutes of inactivity. All Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution.