Household Electric Heating Warm Knee Pads

Product information:
Specifications: Chinese color box, English color box
Color: gray, black
Charging Interface: Type-C
Product Name: wireless electric knee pad
Massage strength: 3 gears
Rated Voltage: 5V
Massage temperature: 40℃ C, 45℃, 50℃ 40℃ C, 60℃ C
Battery capacity: 900-1800mAh
Material fabric: Neoprene