Yoidesu USB Coaster,Cup Pad,Coaster,USB Charging Mat,Insulated Pad Mat,Dual Use USB Cooler Warmer Cup Coffee Tea Beverage Cans Cooler & Warmer Heater Chilling Coasters,(Black)

Features:
1.Made of good quality ABS, sturdy, wearable and durable.  
2.Portable and lightweight, easy to carry and store.
3.Two purpose, can be used to make drink cool or hot.
4.Supports direct power supply from computer via USB interface, convenient to use.
5.Practical product to let you get cool drinks in summer and hot drinks in winter.

Specification:
Material: ABS
Color: Black, White (optional)
Voltage: 5-9V
Rated power: 5-8W
USB mode cryogenic temperature: 8 to 10℃
External power supply cryogenic temperature: -3 to -2℃
USB mode heating temperature: 65 ℃
External power supply heating temperature: 105 ℃
Power Consumption: 5V 800mA(USB cooling), 5V 1000mA(USB heating), 9V 1500mA(external power cooling), 9V 1600mA(external power heating)
Size: Approx. 15*15*5cm / 5.9*5.9*2in
USB Cable Length: Approx. 1m / 39.4inch
Weight: Approx. 450g

Package List:
1 x USB Coaster
1 x USB Cable
1 x Manual

Note:
It only supports direct power supply from 5V 2A USB charger, if you need to connect it to external power supply, it needs power adapter(not included).