Vobaga Coffee Mug Warmer: An Electric Beverage Warmer With Three Temperature ?3-Temperature Settings: Our coffee mug warmer can slow down the cooling speeds of hot beverage; You can choose the temperature by touching the ?Power Button? to keep or warm up the liquid temperature to 149?/65? or 131?/55? or 104?/40?. ?Automatic Shut Off and Residual Temperature Reminder: This beverage warmer with an auto shut off function after working 4 hours(Note: you also can touch the ?Power" button to turn it off). After turning off the coffee warmer, the red light flashes for a while to remind that the heating plate is still hot and It will stop until the temperature donw to 97? (36?). ?Use Suitable Mugs: use a thin-walled, flat, or slightly concave-bottomed mug for the best results. This coffee cup warmer suitable for tableware, stainless steel cup, mug, milk box, glass cup and etc. ?Safe Durable: With high-tech materials make the coffee warmer heat-resistant and fire-resistant. The spill-proof design avoids damage and makes cleaning a breeze. 60" long length UL power cord is more convenient and safer than other brands. Product-safety guarantee with standard UL1026 certification. Back with VOBAG 100% satisfaction service. ?Best Gift Choice: Beautiful and compact design, keep the beverages warm all day, it a great gift for lover, dad, mom, wife, husband, and all your loved ones on Valentine's Day, Thanksgiving and Christmas, and other special occasions to show you care.