Specification Brand : Keenso BulletPoint1 : [FAST HEATING]: Utilizing the PI heating method, this mug warmer provides all-round heating and high thermal conductivity. BulletPoint2 : [THREE TEMPERATURE SETTINGS]: Enjoy your drink at the temperature with options of 55℃, 70℃, 90℃, and 110℃. BulletPoint3 : [SAFE AND STABLE]: Powered by a 5V voltage supply, this USB cup warmer is safe and stable for everyday use. BulletPoint4 : [PORTABLE DESIGN]: Small in size and adaptable to various cup materials, this tea warmer is for use at home or work. BulletPoint5 : [INTELLIGENT REMINDER]: Stay hydrated with the intelligent control feature that reminds you to drink water every hour. Color : #411 ItemName : USB Mug Warmer PI Heating Method 3 Temperature Settings for Coffee Tea Lovers Home Office Plastic Material ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 18 centimeters ItemPackageDimensions_Width : 17 centimeters ItemTypeKeyword : usb-beverage-warmers Manufacturer : Keenso Material : Plastic ModelName : Keensozkqb7pn9h8 ModelNumber : Keensozkqb7pn9h8 NumberOfItems : 1 PartNumber : Keensozkqb7pn9h8 ProductDescription : 1. [PI Heating Method] Mug warmer glass ceramic panel, PI heating method, all round heating, high thermal conductivity. 2. [3 Temperature Settings] Coffee mug warmer 55℃ / 131℉ constant temperature, 70℃, 90℃, 110℃ ( 158℉, 194℉, 230℉) can be set. 3. [Power Supply] Cup warmer 5V voltage power supply, safe and stable, touch the power to turn on. 4. [Easy to Carry] Tea warmer is small in size, and has high adaptability. It can be used in ceramic cup, glass cup, and metal cup. 5. [Intelligent Control] USB cup warmer is intelligently controlled, and you can tap it to remind you to drink water every hour.