[3-Temperature ]From this winter,say goodbye to cold coffee and tea- has 3 temperature , you can the temperature by pressing the power button keeps the drinks temperature to 131/55 or 149/65 or 167/75. And is equipped with visual temperature, can display temperature numbers,allows you to adjust the cup warmer for the cooling speed of hot beverage, curdling, your overall beverage experience. [Concave Plate Design]The heating plate of the is designed with a concave tray with a diameter of 3 inches, which can prevent the cup from accidentally slipping and overturning. Suitable for most stainless steel cup, mug, milk box, glass cups and etc, use a thin-walled, flat, or slightly concave-bottomed mug for the best results.( use 5V=2A charging port for power supply). [One Key Operation]It only needs a button to operates power and switch the temperature. Press the button to turn on, the default temperature is 131/55, the temperature rises by 50/10 each time you press it, the highest temperature is 167/75, then press it again to shut down manually, easy to use, perfect to desk, night table kitchen or living room side table, 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, rapid heating and safe durable, small and light, 200g weight can easy to take anywhere. Use gift box packaging, exquisite workmanship and with instructions, is the perfect gift for any occasion,pass your love and concern to your family members and . Voltage: DC5V : ABS colour: black Package Contents: 1 x heating coaster 1 x manual in Chinese 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.