Available colour will be supplied if preferred colour is out of stock. Unique design ceramic cup with warmer. Keep your coffee warm! Whether at home or at the office. This is the perfect gift for a loved one! Auto Shut Off: Turn to sleep mode when lift up the mug. Indicator light shows blinking. Auto turn off a few mins without and auto turn off after 8 hours using. Easy to Clean: Waterproof surface never worries split coffee on it. Super easy to clean. USB Cord : USB Cord allow you put in on the desk. doesn't clutter your working environment. 131℉/55℃ Beverage Warmer Pad -- The smart Cup Warmer Pad designed to slow down the speed of hot beverages, keep or warm up the liquid temperature to as high as 131℉/55℃.