Features: 1. Heated massage knee pad 2 in 1 - 3 heating and vibration modes, you can use 3 functions simultaneously or separately. 2. Use environmentally friendly lithium battery with low power consumption and high capacity of 5000mAh, 3-level heating and vibration settings, the lowest temperature is 45 degrees, the average temperature is 65 degrees, and the highest temperature is 75 degrees, heating and massage make the knees no longer tired 3. Charging for 3 hours, battery life is długa.Włącz heating and vibration for third gear at the same time, and battery life can reach 90-120 minutes. 4. The best choice for gift giving. Touch screen buttons, digital temperature and battery display for convenience of use 5. In the off state, press and hold the button for 1,5 seconds to go into standby mode. The digital tube-shaped displays the current temperature and turns off after 5 minutes of inactivity. Specification: Product Name: Controller Version Heated Shoulder Pads (Single) Material: diving fabric Product Size (cm): 45*32*1 Battery capacity: 5000amh (built-in battery) Power: 7,5 in List of things to pack: Shoulder pad*1 Long strap*1 Short strap*1 User manual*1 USB cable*1 Real photos shared by our customers