【Adjustable Three-Temperature Setting】: VOBAGA coffee warmer will keep your coffee at a perfect drinking temperature. You can control the temperature by tapping the button, keeping your coffee or milk up to 104℉-131℉-149℉ (40℃-55℃-65℃). Changing temperature is just a tap on of your finger. 【Automatic Shut-off & Smart Safety Feature】: This smart cup warmer will shut off automatically after continually working 4 hours. No worry about forgetting to turn it off. The blinking red light indicator tells you the heating plate is hot and will stop until the temperature drops to 97℉ (36℃). 【Splash-proof & Large Heating Plate】: The heating plate adopts sealed-insulation technology to prevent splashing water, which also fits most standard mugs well. The 59-inch plug cord will fits on your desk perfectly. Tips: Choose flat-bottom and thin-wall mug so that it can have a good connection to the warmer. 【Easy-to-Clean & Portable-to-Carry】: The surface of the heating plate is easy to clean. The coffee warmer is lightweight and will be a ideal choice for gift on Birthday, Thanksgiving Day and Christmas and so on. Let this mug warmer warm your stomach and your heart.