Fast Heat Provider: Using this coffee cup warmer, the temperature in the cup can reach a constant temperature of 55 degrees Celsius within 10 minutes (only for keeping the cup hot, not for heating purposes).Large heating area: This coffee cup heating device has a large heating stainless steel panel of 7.5CM / 2.95in (approximately), the base heating area is large, and it is seamlessly connected to the flat bottom of the cup, which can quickly conduct heat and heat. Achieve uniform heating.Provide uniform heating: suitable for flat-bottomed cups and provide uniform heating.USB power supply: Supports USB connection to PC, laptop, mobile power supply and other power equipment through USB port. Convenient and portable Very suitable for all kinds of cups: This coffee warmer is also suitable for cups made of stainless steel, glass, ceramic and enamel. The exquisite and compact design keeps your beverages always warm. This will be your best gift choice for showing care to your family, lovers or friends on Valentines Day, Thanksgiving, Christmas or other special occasions.Name: Electric coasterPower mode: USB plug and play (with power cord)Voltage: 5VFrequency: 50HZPower: 10WConstant temperature: 55CelsiusAutomatic power off: 4 hoursUses: hot milk, coffee, beverages, tea, water, etc.Cup type: ceramic cup, glass cup, stainless steel cup, milk bottle, can, boxed milk, etc.Type 1: Coffee WarmerType 2: Hot CoasterType 3: Coffee Mug WarmerType 4: Coffee HeaterType 5: Milk HeaterType 6: Drink HeaterColour:Pink + BlueMaterial:ABS + stainless steelSize:14.5x12.5x2CMPackage Contents:1 * CoasterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.