Product information:
Power: 10W
Specifications: single and double
Size: average size
Rated Voltage: 5V
Color classification: black, gray
Material: air layer
Function: heating massage
Battery capacity: 3000mAH

Power supply: Type-c charging port

Product Description:
Dual key separate control for 5 heating levels and 7 massage levels: built-in 3000 milliampere lithium battery (normal charging for about 3 hours, can be used for many years under normal use),dual key buttons: long press (on/off),short press to shift gears, temperature (45 ° 55 ° 65 °),30 minute timing, Type-c charging port

Packing list:
A pair of knee padsProduct Image: