1、3 Gears Temperature Adjustment: Electric mug warmer has 3 gears temperature adjustment of 50 ℃ (122 ℉); 55 ℃ (131 ℉); 60 ℃ (140 ℉). One click operation, adjust the desired temperature to meet your various needs. 2、Automatic Power Off Protection: When the cup is heated for 8 hours without any operation, the cup warmer will automatically power off and stop heating. 3、Uniform and Fast Heating: Large area of fast heating, temperature setting memory function, and the temperature at startup is set to the temperature at the time of last shutdown. 4、Various Cups Compatible: Applicable to all kinds of flat bottomed water cups, such as ceramic cups, glass cups, milk bottles, stainless steel cups, boxed milk, cans, etc. 5、Lightweight and Portable: Ultra thin design, exquisite and small, less space and more convenient to carry. This beverage warmer can be used as a mug warmer for desks, nightstands, kitchen or living room side tables.