Features:

-This compact heating and cooling device combines fashion and function, with a beautiful and compact design, which keeps drinks warm or cold throughout the day

-Enjoy cold drinks in summer or warm coffe in winter whether traveling, working or beeing outdoors

-Low energy consumption, quickly cooling down drinking water without waiting

-Just plug in the USB power cord, touch the switch and your drink is at your desired temperature.

Specification:

Nominal voltage: 5V

Rated power: 10W

Rated current: 2A

Working temperature: 8°~55°

Power supply: USB 

Material: ABS+Semiconductor

Dimensions: 

Cup: 7*7.5 cm  Base: 3*15 cm