1、Continuously 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. 2、Small size, portable and light weight, equipped with a comfortable handle, can be easily handheld and used, convenient to enjoy liquids of various temperatures. 3、Food‑grade aluminum alloy, environmentally‑friendly TPU shell, and food‑grade silicone soft lid. It can withstand a wide temperature range and can be used with confidence. 4、Automatically boil and close the protection function when there is no water, which can ensure the safety of the use process. 5、360‑degree rotating non‑slip base, wireless technology, easy to use, can not be restricted by angle. Item Type: Cooling and Heating Cup Material: TPU+Food Grade Aluminum Alloy+Silicone Cup Size (Including Handle): Approx. 12.5x9x11cm / 4.9x3.5x4.3in Base Size: Approx. 13x10.5x5cm / 5.1x4.1x2.0in Use Power: ＜36w Product Heating Temperature: 58-65°C Refrigeration Temperature: <2-5℃ Mute Index: Less than 40db Weight: Approx. 627g / 22.1oz Display Mode: 1. The red indicator light represents heating. 2. The blue indicator light represents refrigeration. 3. Cycle the key to change the cooling mode and heating mode. 1 x Coaster 1 x Cup 1 x Cup Lid 1 x Plug 1 x Manual