Electric Heating Seat Cushion For Office Sedentary Chair

Specifications:
Size: 35 * 35cm
Wattage: 12W
Input: 5V / 2A Max
Output: USB 5V / 2A Max
Cover material: Cotton
Heating element: Graphene heating film + waterproof cloth
Battery capacity: 5000mAh
Battery life: low level for 6-8 hours, high level for 3.5-4 hours.

Packing list:
Cushion*1