Description:

Smart USB Mug Warmer Heater Coaster Temperature Heat Coffee Cup Great Office
USB powered with USB cable, no need batteries, and it is easy to tote and take anywhere.
The bottom of cup should be flat to ensure the cup connects to the metal heating panel well.
Do not touch the electric fever panel when the USB warmer works to prevent scalding.It can keep your hot drink warm, but it can not heat your cold drink.
Ideal for coffee, tea, hot cocoa & any other beverage needs to be warmed in household, office or outdoor activities. it can always reserve you a cup of warm drink.
 
Specifications:

Material: ABS / PC / silicone / glass
Size: 132 x 118 x 20mm
Type: Coaster
Model: Mug Warmer
Rated input: 5V-2A
Rated power: 10W
Features: Safe To Use, Wide Application
Shape: As picture show
55℃ all day constant temperature
Three-level temperature adjustment: 70℃-90℃-110℃
Suitable for heating ceramic cups, glass cups and metal cups
 
Package Include:

1x Smart Coffee Warmer
1x USB Cable