【9 Tempreture Settings】GLSY mug warmer has 9 temperature Settings. Get really hot coffee you'd expect! GLSY coffee cup warmer has three cup types of "GLASS", "CERAMIC" and "METAL". Switch temperature levels by touch according to your personal preference and the material of the mug. Glass 140℉-160℉-180℉. Ceramic 130℉-150℉-176℉. Metal 145℉-165℉-185℉.

【1-9H Timer Settings and 4H Auto Shut off】GLSY portable coffee warmer can be automatically turned off after 1, 2, 3, 4, 5, 6, 7, 8, 9 hours, through touching the "timing button". If we don't set the timer function, GLSY beverage coffee warmer will automatically shut down after 4 hours by default.

【Gravity Sensor】The bottom of GLSY coffee warmer has an "I/O" switch to control the gravity sensor. Put the cup on the mug heater and it will automatically work (the weight of the cup plus water reaches 300g/11oz). Take away the cup and it will stop heating and enter the standby mode. If the thing you want to heat is too light or you don't like the gravity sensor function, you can also manually open or close.

【Fits for Most Cups】GLSY coffee mug warmer with 3.75 inches heating area, work well with most size flat cups, mugs, carafes, baby bottles, bowls, stainless steel cup, milk box, glass cup and etc. It can be used to heat tea, coffee, chocolate, no flame scented candles, milk and other beverages. With the 59" long plug cord, GLSY coffee mug warmer will be your favorite office gadgets!

【Perfect Gift】GLSY smart coffee warmer is honestly a great gift for Dad, Mom, Wife, lover, families, friends on Thanksgiving, Christmas, New Year, Valentine's Day, birthdays or any special occasion. Enjoy your favorite hot beverages at the perfect temperature!

【2 Years After Service】GLSY safe and durable coffee warmer has passed CE and FCC certifications and passed 10000 tests to ensure its safety. In any case of GLSY square coffee warmer problems, please come to us via email. You can get a refund or replacement without returning them within 2 years!