Features: 1Continuously keep the temperature at 55, the taste is good, and at the same time, it can inhibit the growth of harmful substances, which is healthy and safe. 2Small size, portable and light weight, equipped with a comfortable handle, can be easily handheld and used, convenient to enjoy liquids of various temperatures. 3Foodgrade aluminum alloy, environmentallyfriendly TPU shell, and foodgrade silicone soft lid. It can withstand a wide temperature range and can be used with confidence. 4Automatically boil and close the protection function when there is no water, which can ensure the safety of the use process. 5360degree rotating nonslip base, wireless technology, easy to use, can not be restricted by angle. Specification: Item Type: Cooling and Heating CupMaterial: TPU+Food Grade Aluminum Alloy+SiliconeCup Size (Including Handle): Approx. 12.5x9x11cm / 4.9x3.5x4.3inBase Size: Approx. 13x10.5x5cm / 5.1x4.1x2.0inUse Power: 36wProduct Heating Temperature: 58-65CRefrigeration Temperature: <2-5Mute Index: Less than 40dbWeight: Approx. 627g / 22.1ozDisplayMode:1.Theredindicatorlightrepresentsheating.2.Theblueindicatorlightrepresentsrefrigeration.3.Cyclethekeytochangethecoolingmodeandheatingmode. Package List: 1 x Coaster1 x Cup1 x Cup Lid1 x Plug1 x Manual