Feature:1. Quick Heating: Powered by DC 5V USB, the heating pad ensures quick heating, which will get to the set temperature within 10 minutes.2. More Comforts: Suits for shoulder, neck, waist, back and so on, the heat pad can maintain the high temperature for comfortable use.3. Better Design: Designed to have a large size of 30 x 30cm, the heater pad also enables 3 gear temperature adjustment for enjoyments.4. Broad Utility: Can be widely applied as pet bed, chair cushion, heating layer sewn into the jacket and more, satisfying your needs.5. Flexible Uses: Allows for easy folding and washing by water, the heat pad made from carbon fibre is very convenient to maintain.Specification:Item Type: Heating PadMaterial: Carbon FibreSupply Voltage: DC 5VProduct Size: Approx. 30 x 30cm / 11.81 x 11.81in(without wire)Thermostat Cable Length: Approx. 155cm / 5.09ftTemperature: 3 gears adjustable, 45-50 high temperature, 35-40 medium temperature, 30-35 low temperature. .Package List:1 xHeating Pad1 x Temperature ControllerNote:There may be size error.