Coffee Mug Warmer for Desk, Electric Coffee Cup Warmer with 3-Temp Settings, Smart Coffee Warmer for Desk Auto Shut Off Timer, Cup Warmer for Desk with TEM/TIME Display, Wax Warmer, Good Gift Coffee Cup Warmer with 3-Tem Settings -- The coffee mug warmer for desk keeps the coffee as hot as you want it to be. There are 3 temperature settings: 170℉/150℉/130℉. You can choose the temperature you want by touching the “Power Button”. 2-12H Timed Auto Shutdown Mug Warmer -- The coffee mug warmer with auto shutdown timer will automatically shut down after 4 hours of continuous operation by default. We set up six options of 2-12h according to different use conditions of users. You can set the automatic shutdown time according to your own needs. More convenient and effectively prevent the safety hazards caused by forgetting to close with the coffee warmer.