Cup Warmer USB Charging 5V Electric Cup Mug Warmer Tea Warmer Cup Heater Office Accessories Keep Drink WarmProduct Features: 1. USB secure strength supply,power failure defense 2. Far infrared heating 3. Intelligent control, fifty five ℃ Thermostatic heating 4. 1 hour clever consuming water reminder 5. Supports a number of kinds of cup heating 6. Compact and transportable