Features: 1Fast Cooling and Heating: In summer, refreshing yourself with a glass of cold drink at any time, and in winter, a cup of warm brown sugar tea can warm your heart and nourish your stomach. 22 Power Supply Modes: USB power supply and 12V 3A adapter power supply. Home USB interfaces such as charging bank, computer and charging head can be used. The effect of using the adapter is better. 3Heat Dissipation: Efficient cooling, the chassis can be used all day without pressure, and the large exhaust holes are designed to dissipate heat quickly, extending the service life. 4Touch Key Control: Easy to operate and switch with one touch key. Lightweight and portable, suitable for dormitory, home and office. Ideal gifts for family members, girlfriends and children. 5Anti Slip: The bottom adopts 4 foot anti slip mat, which is anti skid and shockproof. Silent operation, suitable for various kinds of cups and drinks. Specification: Item Type: ElectricCupWarmerandCoolerMaterial: ABSGross Weight: 820g / 28.9ozSize: 166x86mm / 6.5x3.4inPower Supply Mode: USB power supply, 12V 3A adapter power supplyRefrigeration Heating Plate Diameter: 100mm / 3.9inTemperature Range: Maximum temperature can be up to 90, and can be cooled to 5 Package List: 1 xElectric Cup Warmer and Cooler1 x USB Cable1 x Manual1 xAdapter