Condition: 100% Brand New Item Type: Vacuum Cup Material: Stainless Steel 304 Color: Black, Creamy White (optional) Capacity: 480ml Battery Type: Lithium Battery Battery Model: 18650 Battery Capacity: 2450mAh Product Size: Approx. 23 x 6.5cm/9.1 x 2.6in Weight: Approx. 364g/12.8oz Package List 1 x Thermal Insulation Cup 1. Please allow 1‑3cm error due to manual measurement. Thanks for your understanding.<div>2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. </div> 1、304 stainless steel is used, which has good anti‑oxidation and heat preservation effect, and keeps heat for 12 hours. 2、With LED display, prompt real‑time water temperature through touch, inform you of the temperature of the water. 3、You don't have to use your mouth to test the temperature and avoid scalding. 4、360 degree rotation without worrying about leakage, with perfect sealing effect. 5、The arc‑shaped cup is comfortable to hold, easy to carry, easy to store, and it is a good gift.