Name: USB cup warmer & cooler
cool more10~14℃, heat to 70℃
material: ABS+Glass + aluminium
Power: USB 5V
* Design for those who need to warm/cool coffee or beverage or baby milk frequently, to save time reheated by microwave. Slow down the cooling speed of hot beverages. * Cool and Warm Dual Use: Portable USB beverage warmers, multi-purpose machine, free to choose temperature. quick cooling and fast heating, TEC semiconductor refrigeration. * Material: ABS plastic tempered glass aluminum. waterproof design of tempered glass. Fast heat conduction and safety leakage prevention electricity. * Intelligent Touch Switch: Drinks tea mug heater coasters with portable one-button adjusts the heating and cooling; with high sensitivity and easy operation. * Wide Application: Suitable for most cups, support ceramic, glass, metal, and other material cups.