Feature: 1. 3 Temperature Settings: 3 temperature regulation 50℃(122℉), 55℃(131℉), 60℃(140℉). The cup warmer can be operated by one button to 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 mug warmer will automatically power off and stop heating. 3. For Various Cup: Coffee warmer is applicable to all kinds of flat bottomed cups, such as ceramic cup, glass, feeding bottle, stainless steel cup, boxed milk, and cans. 4. Temperature Setting Memory Function: The temperature at startup is set to the humidity at the time of last shutdown. 5. Uniform and Fast Heating: Mug warmer for desk has uniform heating and fast heating. Fast heating in large area, warm around. 6. Lightweight and Portable: The coffee warmer is more portable and ultra thin, delicate and compact, occupying no space and more convenient to carry. Specification: Item Type: Mug Warmer Material: ABS, Ceramics Weight: Approx. 654g / 23.1oz Voltage: 5V Power: 13W Phone Wireless Fast Charging Power: 10W Heating Panel Size: Approx. 9.5x9.5cm / 3.7x3.7in Product Size: Approx. 15x11.5x1cm / 5.9x4.5x0.4in Temperature Range: 50℃(122℉), 55℃(131℉), 60℃(140℉). Package List: 1 x Mug Warmer 1 x Cup1 x Cup Cover Note: QC3.0 adapter is required to ensure fast charging of mobile phone.