Description: 1. Easy to Use: Simply plug the cord, tap the switch and put your mug on. All set. Now the mug warmer will keep your drink warm to the last drop. This coffee warmer not only can slow down the cooling speed of hot beverage 2. Fast Heating: Just in 5 Minutes your Coffee/Water/Milk is going to be warm, 3. Smart Constant Temperature 131 F: Your coffee is always going to be Warm, The Ultimate coffee mug warmer bring to your tea/Milk/water constant temperature for 8 hours. 4. Waterproof Panel: We offer a water resistant product, most of regular warmers are not resistant and can be damaged easily. 5. USB- Charger: You can use this product conected with your Laptop or power adapter Features: 1. Simply plug the cord, tap the switch and put your mug on. 2. Just in 5 Minutes your coffee/water/milk is going to be warm, constant 55℃ for 8 hours. Three levels of adjustable temperature, the first level is 50°C, the second level is 55°C, and the third level is 60°C. 3. Can be connected to mobile power, laptop, convenient for outdoor use. 4. Small size, easy to carry. 5. With automatic power-off pro-tection, if there is no operation for 8 hours, it will automatically power off and stop heating. 6. Waterproof tempered glass panel to prevent leakage. With non-slip silicone pad on the bottom, it can be placed firmly on the table. Specification: Color: As Shown. Material: ABS. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: 1x Mini Cup Warmer 1x USB Cable