About this item：Coffee Cup Warmer 8h Auto Shut Off: Electric Cup Warmer's auto-shut off function prevents any possible safety hazard caused by forgetting to shut down. Please do not touch the heating zone during heater works.NOTE: Don‘t support to boil liquids, heating speed is slow for cool drinks. Designed to keep your hot drinks in a suitable drinking temp, so don't expect it to heat your drink very hot like a microwave or a kettle.3 Temperature Settings: The USB coffee warmer is designed with three touch adjustments, just touch to easily select the right temperature, coffee warmer is designed to keep your beverage at constant temperature(45℃/113℉) for a long time. Our electric coffee mug warmer can slow down the cooling speed of hot b.
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