3 Temperature Settings: A compact personal electric coffee warmer, featuring 36W power, allows for adjustable settings between 176F/150F/130F. Long press the timer button to switch between ? ? Smart Safety Design: This mug warmer automatically shuts off after a continuous 4-hour operation. You can further customize the timer to 2 to 12 hoursfor flexible convenience control Larger Heating Area: The coffee heater has a 5.2" super large heating panel, weighing 0.81LB (370g). The coffee warmer can warm beverages like coffee, milk, chocolate, tea candle and wax Water-proof Design: This coffee cup warmer for desk features a water-proof and conductive glass surface, ensuring easy cleaning in the event of any spills, providing both functionality and convenience Coffee Lovers Gift Ideas: The coffee warmer is a delightful choice to warm up not just your drinks but also the hearts of your loved ones. It's the ultimate gift for special occasions such as Thanksgiving/Christmas/New Year/Valentine/Birthday Safety Certifications: This mug warmer is UL certified (report number: SJS2304184YG-UL-R2) ,CE certified and FCC certified (report number: SJS2304184YG-FCC-R2) Product description