Enjoy your coffee, tea, milk, or hot chocolate longer without the need for repeated heating. This USB heating coaster uses a heating element to help maintain a stable beverage temperature of around 40-60°C. It's perfect for working, studying, or relaxing at home or in the office.

Adjust the warmth level to your needs with three temperature settings via responsive touch buttons. Green indicates low temperatures around 40-45°C, Blue indicates medium temperatures around 46-50°C, and Red indicates high temperatures around 51-60°C. Convenient, one-touch operation makes it convenient for everyday use.

The USB heating pad features an auto-shutoff feature after approximately 8 hours of use to help conserve power and provide convenience if you forget to turn it off. It's perfect for use while working, studying, or working overtime without having to worry about the device being left on.

The USB heating coaster features a splash-resistant conductive glass surface, making it easy to clean. Simply wipe with a soft cloth after use to keep it clean and looking as good as new. The elegant design also enhances any desk or study table.

Suitable for ceramic, glass, stainless steel, beverage cans, and even flat-bottomed baby bottles. Helps keep coffee, tea, milk, and other favorite beverages warmer longer, making them more enjoyable to enjoy.

It uses a 5V/2A USB input with a maximum power of 10W, making it more energy efficient. It is recommended to use an adapter with a minimum output of 10W for optimal heating performance. The USB heating coaster is for keeping drinks warm, not for boiling water.