[Fast and efficient heating] This electric coffee cup heater has a heating power of 10watts, which can quickly heat your drink. This heating cup warm has three adjustable temperature settings (131 F/149 F/167 F) to that your drink stays warm and delicious. [Automatic shutdown for 8 hours] This portable coffee cup warmer has the function of automatic shutdown to safety. after 8 hours of use, it will automatically shut down, even if you forget to turn it off before leaving, it will give you peace of mind. [Super-large heating panel and waterproof design] This automatic induction coffee cup warmer has a spacious 5.2inch heating area to provide efficient and uniform heating for your cup. The glass-ceramic panel is waterproof and easy to clean. [[Multi- compatible with multiple containers] This multi- coffee cup warmer is suitable for all kinds of cups, including metal, enamel, ceramics and glassware, and is very suitable for heating coffee, milk, hot chocolate, tea and other drinks. [Convenient and thoughtful gift] This electric coffee cup insulation sleeve is light and portable, and it is the perfect birthdays, festivals and special . Giving it to your family,friends or colleagues, show your care and warmth, and let them enjoy their favorite drinks at a perfect temperature. Input voltage: 5V Rated power: 10W Temperature range: 55C-65C-75C Input current: 2A Power supply type: USB power supply Timing function: 8H timing shutdown Colour:Black Material:plastic Package Contents: 1 x USB Heating Cup Pad (not include water cup) Only the above package content, other products are not included. Note: Light reflection 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.