MAINTAIN OTIMALLY WARM TEMPERATURE:Suitable for most types of cups,we recommend to use glass cups or other cups with flat bottom in order to achieve better thermal resultsIT IS EASY TO USE: Just plug the USB plug into the USB charging port and tap the switch to heat the heated surfaceMULTI PURPOSE : Unique design makes it perfect for heating or cooling coffee, milk and any beverageSAFETY AND HIGH EFFICIENCY:dissipation base protects the motor and has non-slip foot pads for safer useBEST GIFT CHOICEC: The coffee cup warmer for desk auto shut off is a great gift for lover,dad,mom,wife,husbandand all your loved ones on Valentine's day, Thanksgiving, Christmas and New Year.Note: Do NOT pour water onto it.Features:1. USB Interface Design: Low heat, suitable for the use of good heat transfer cup.2. Constant Temperature: In the working state, the hot water will be reduced to warm water,and the cold water will be heated with a constant temperature of 55 without cooling.3. Gravity Induction Switch: There is gravity switch at the bottom of the product, place the cup and heat it immediately,remove the cup and stop the power immediately, save worry and safety.4. Material: 65mm aluminum alloy wide heating plate diameter, with flat cup bottom cup, can quickly heat conduction,realize uniform heating, cold water into warm water, hot water stays cool.5. Dimension: compact size and easy to carry.Specifications:Material: Aluminum AlloyColor: Pink,GreenSize(Approx.): 11.6x11.4x1.7 cm/4.57x4.49x0.67 inch(L*W*H)Rated voltage (V): 220Rated frequency (Hz): 50Rated power (W): 18Sw