[USB POWERED] This mug warmer is versatile and convenient, powered by USB to support multiple power supply methods such as power banks, computers, and charging heads.
[UNIVERSAL COMPATIBILITY] Suitable for various cups including glass, stainless steel, and ceramic. For results, use a lid to retain heat.
[COOLING AND HEATING] Enjoy both cooling and heating functions with a simple one-button switch. Perfect for keeping beverages warm in winter and cooling them in summer.
[RAPID HEAT DISSIPATION] Large exhaust holes ensure quick heat dissipation, extending the warmer's lifespan for all-day use without overheating.
[GREAT OPTIONS] Keep your beverages warm all day with this coffee warmer, making it a thoughtful for loved ones during occasions like Valentine's Day, Thanksgiving, and Christmas.

Spec:
Item Type: Coffee Warmer
Material: ABS
Weight: Approx. 441g/15.56oz
Power Supply: USB power supply
Input Voltage: 5V
Cooling Power: 10-18W
Heating Power: 10-18W
Maximum Temperature: 65℃

Package List：
1 x Coffee Warmer
1 x USB Cable

1 x Instruction