Yosoo USB Cup Heater Cooler Plate Cup Warmer and Colder Beverage Mug Mat Office Tea Coffee Heater Pad for Coffee Tea Cans Drinks

Features:
Made of high quality materials, heating evenly, and to use. Powered by any devices with output 5V USB port, such as your computer, desktop, laptop, tablet, mobile power and so on, easy and convenient. Light weight and compact size, easy to carry and suitable for most stainless steel cup, feeding bottle, ceramic cup, glass cup, etc. Keep your coffee, tea or other hot beverage warm up to 50?? in winter, cold up to 6 - 8 ?? in summer. do not worry about high temperature and high oxidation, in use. Great for use at home and office, keeping you brew warm or cold.
Specification:
Condition: Brand New
Material: ABS
Power: 15-25W
Heating and cooling zone diameter: 65mm
Pay attention to safety when cooling: cooling temperature is about 6-8 degrees
Pay attention to safety when heating: heating temperature is about 50 degrees
Applicable cup: flat metal cup with diameter below 65mm
USB cooling power: 5V 800mA
USB insulation power: 5V 1000mA
Working time: 1-3 minutes of cooling time, 3-5 minutes of heating time (depending on the actual capacity of the cup)
Size: 15 x 15 x 5 cm / 5.91 x 5.91 x 1.97 inch (appr.)

Package Included:
1 x Cup Warmer and Colder(Cups are Not Included)
1 x USB Cable
1 x Manual

Note:
Please don't use the recessed bottom cup, mineral water bottles, adiabatic vacuum cups or cups with thick bottom. It is only used to keep your tea or coffee warm, but not for heating. Please allow slight deviation for the color and measurement. Thanks for your understanding.