EasyAcc Coffee Cup Warming Tips The coffee cup warmer is designed with the idea that your already hot coffee is always at the right temperature (around 40-50) without boiling liquids at microwave. For liquid drinks, solid drinks are not recommended, nor are heated cold drinks recommended. 20W 3 Temperature Settings Updated in 2022 20W coffee cup warmer has 3 temperature levels 131/55-140/65--230/75 , which can heat flat and thin cups to (40C -50C). Keep your hot drinks hot so they don't cool down quickly in winter. Ideal for office use. Suitable for cups The cup holder is suitable for most materials of cups, ceramics, glass, mugs, stainless steel cups and milk cartons, but it is recommended to use a thin cup and flat for better heat transfer. Keep coffee, tea and milk containers less than 3.1 inches (about 8 cm) in diameter at the bottom. 8-Hour Auto-Off Function - Smart Safety The electric cup warmer will automatically turn off after 8 hours of inactivity. Don't worry if you accidentally forget to turn it off. The bottom of the radiator is always kept below 65C, there is no need to worry about the temperature being too high to damage the table surface. Do not touch heated surfaces after a while. Portable Size & Updated LED Display Coffee Cup Warmer Small Round Size 4.7" x 4.7" x 0.98". Insert the 1.6m AC plug, press the "" switch, the LED display temperature function has been updated. Small size, space-saving, easy to use, suitable for placing on desks, family bedside tables, etc. Winter Gift The coffee cup warmer allows you to enjoy a cup of coffee, tea, milk or other hot drinks at any time. It is the best gift for friends, family or loved ones on Valentine's Day, Thanksgiving, Christmas, New Year, birthdays or other special occasions.