Pwtool Coffee Mug Warmer Cup and Coffee warmer Smart Thermostat Coaster for Hot Tea Beverage Office and Home Desk Use Tea Milk brightly

Description: This USB thermal cup mat can keep your drinks warm. It’s fast and safe. The surface of this USB thermos is very easy to clean. It s very convenient. uitable for coffee tea milk and anything else you want to keep warm. Specification: A: Biscuit Brown B: Cookie Blue Material: Environmental Protection Plastic + Electronic Components Size: about 10.8 * 10.8 * 1.6 cm/4.25*4.25*0.63in Weight: about 110 g Voltage: DC5V Current: 2.5 A Input interface: USB Cable Length 1.0m Surface Temperature: 75-80° Suitable Cup: Heat Transfer Fast Flat Cup Packing List: USB Thermal Mat*1 Note: Due to the lighting effects and shooting angles there is color difference in the product please understand. Due to manual measurement there is a tolerance in the product size. This product can only be kept warm not heated constant temperature heating can be maintained the surface heating temperature between 75-80 degrees. The water temperature in the container can be maintained at about 40-45 degrees but the ambient temperature and container style will affect the water temperature. Uneven bottom of the cup vacuum cup blow molding bottle and thick bottom cup will affect the heat preservation do not use. Support computer USB port and output above 5V1.0A mobile power supply