USB heater heating pad Pad heater Thermal Clothes Heated Outdoor Mobile Feature WATERPROOF:,, can be fixed around the sewing. It is easy to clean and can be washed with water. INSTRUCTION: Press and hold for 5 seconds to turn on the. Third gear thermostat, the temperature can be to choose. Working Condition: Heating power: The applicable voltage of this product is 5V, and it has a USB interface. 1A or 2A for choose. Heating time: It may take 30 or 40 minutes to heat up. Heating environment: If the heating is wrapped in clothes, bedspreads or pillows, the temperature can 40 to 45 C 20 minutes. If no packages are directly exposed to the, the temperature may be 35 30 or 40 minutes (from room temperature> 10). LONG EXTENSION USB: Comes with a 1.5 meter extension USB cable so you will not worry about cable length WIDE APPLICATION: Widely used for warming shoulder, neck, waist, back, abdomen and cushion or pet bed. WATERPROOF:,, can be fixed around the sewing. It is easy to clean and can be washed with water temperature is about 30~60 Washable, with timer. Detail Thickness: 0.5-2 mm Size: about 10 cm 30 cm Package content 1 SET Heating Pad