[3-Temperatures] Say goodbye to cold coffee and tea from this winter onwards - has 3 temperatures, you can set the temperature by pressing the power button which keeps the beverage temperature at 55/131 or 65/149 or 75/167. And is equipped with visual temperature, can display temperature digits, allowing you to adjust the mug warmer for the cooling speed of hot beverage, coagulation, your overall drinking experience. [Concave Plate Design] The heating plate is designed with a concave tray with a diameter of 3 inches, which can prevent the cup from slipping and accidentally tipping over. Suitable for most stainless steel cups, mugs, milk cartons, glass cups, etc., use a thin-walled, flat or slightly concave bottom mug for best results. (use 5V=2A charging port for power supply). [One-Button Operation] Only one button is needed to operate power and switch temperature. Press the button to turn on, the default temperature is 55/131, the temperature rises by 10/50 each time you press it, the highest temperature is 75/167, then press it again to turn off manually, easy to use, perfect for desks, bedside tables, kitchen or living room tables, suitable for heating coffee, milk, tea, water or your candle wax. [Simplicity & ] USB, simple appearance, design, made of high-quality ABS materials that heat evenly, fast heating and safe durable, small and light, 200g weight can be easily taken anywhere. Use gift box packaging, exquisite workmanship and with instructions, it is the perfect gift for any occasion, conveying your love and care to your family members and . Voltage: DC5V Material: ABS color: blue Package contents: 1 x heating briquette 1 x manual in and English 1 x USB interface cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be a little different from the real thing. The allowed measurement error is +/- 1-3 cm.