PMA 5V Infrared Graphene Heating Knee Sports from Xiaomi youpin

Specifications: Brand PMA(from Xiaomi Eco-System) Material SBR, graphene Temperature setting High temperature level: 63-67(Red lighting) Medium temperature level: 52-56(Blue lighting) Low temperature level: 41-45(Green lighting) Output voltage 5V (human body safety voltage36C) Application Knee Color Grey Size 54 x 32cm / 21.26 x 12.60inch Weight 138g Features: Ultra-thin and ultra-soft material. Precision nest design. Anti-sliding design. Precision temperature control. Graphene heats up. Using Method: 1. Plug in power and USB port. 2. Touch and hold 3 seconds to power on. 3. Short press to adjust the temperature. 4. Touch and hold 3 seconds to power off. Note: This item need to be plug in external power source(Power bank, computer, or vehicle power) for use. Package Includes: 1 x PMA knee pad 1 x USB cable