Custom Warm Coffee Mug

The induction hot plate cup heater electric 16W power, low working reduces potential safety hazards and energy saving. The device will default turn on the Temp control mode when you first tap "On/Off" button after plugged in, and auto turn on that temperature in your next use. A metal spoon is also included. Mug warmer suits for metal, ceramic, enamel, glassware. Advice to use a right flat-bottomed cup for better effection. Tips: do not use plastic cups or double vacuum. 3.55" L x 3.15" W x 3.15" H