Small and practical cup warmer made of rubber. With a minimalist look, this product is good accessory for a drink and in the office. The heated coaster keeps your mug warm, can enjoy coffee, tea and other hot beverages slowly. Features - Color: Assorted Color -Material:Rubber - Size: 9.00X9.00X0.60cm/3.54X3.54X0.24in -Note: The temperature range displayed by the temperature sticker is: 25°~70° -Power: 2A -Voltage: 5V -Cable Length: 70cm - Safe and convenient to use, not easy to break or deform, reusable and can be applied for longtime. - USB charging, heating with use, safety protection, and reducing the probability of safety accidents. - Low power and low voltage, saves electricity and money, but is fully functional, allowing you to at the good temperature in winter. - Designed to keep your hot drinks in a suitable drinking temp, not heat your drink very hot. - Suitable for hot coffee, tea, , milk or even a hot cup of soup. Suitable for a variety of cups. Package list: 1 warmer