Smart Home Mini Heated Coaster, Electric Tray with USB for Heating Coffee, Tea and Beverages, Constant 3-Level Adjustment Features: Touch Sensor, Panel waterproof Third gear adjustment, temperature is free Constant temperature insulation, up to 60C Time switch, four operating modes< /p> Comfortable, flexible and versatile USB interface, safe and reliable Features: Power: 20 W Voltage: 220V Heating temperature: 55, 65, 75 Material: corduroy Size: about 12.4x2.6cm / 4.88x1.02in Optional colors and shapes: pink Package list: 1X heating base 3 heat sensors Temperature and Touch Adjustable: Quickly heat up in seconds, touch sensor for 3 heating settings (high, medium, low), keep temperature at 40-75 (55 is better for bo ire) with intelligent heating system. Intelligent timing switch: timing time - 8 hours, if you forget to turn it off, it will automatically turn off after 8 hours. < p>Suitable for all types of mugs: it can fit most mugs, such as glass mug, stainless steel mug, ceramic mug, etc. for best results, we recommend using a flat-bottomed glass mug or stainless steel mug. Placing a lid on the cup will also help retain heat. Portable coffee warmer: light weight and compact size, easy to carry and suitable for most stainless steel cups, baby bottles, ceramic cups , glass goblets, etc. Ideal for home and office use, to keep you warm on cold days. USE: Suitable for all-purpose ceramic mugs, glasses, metal cups, etc. Suitable for coffee, tea, milk and other drinks you want to keep warm.