Express yourself with unique features.
100% brand new and high quality.
USB powered, no batteries needed.
Plug and Play, no need to install extra driver.
Easy installation and easy operation.
- Keep your hot coffee, tea, or other beverage warm, temperature range: 40°C to 80°C
Perfect for home and office using.
1.Connect the USB cable to the computer or 5V charger switch interface, coasters begin to generate heat.
2.The need for thermal insulation on the silica glass coasters, then it can play the role of insulation (please don\’t use the recessed bottom cup, glass Cup is best)
3. Please do not use this insulation Cup for outside functions.
4. Please Unplug the USB cable when don\’t use, to extend the life of the product.
5. It is only used to keep your tea or coffe warm,but not for heating.
Power: directly USB power
Working voltage: 5V
Item size: approx. 11X11X2.5cm/4.33″X4.33″X0.98″
1 x Exquisite USB Powered Portable Cup Mug Warmer Coffee Tea Heater Tray Pad (NO Retail Box. Packed Safely in Bubble Bag)