Features: 1. The smart vacuum bottle is made of high-quality stainless steel wear-resistant and corrosion-resistant not easy to rust and durable. 2. There is an LED smart temperature display on the top of the vacuum bottle. Just touch the top of the vacuum bottle cap to see the temperature of the water in the bottle to avoid burns. 3. The inner side of the lid is embedded with a leak-proof silicone ring which has a simple structure and can be cleaned by removing the faucet. The cup mouth is smooth and will not cut lips. 4. Removable filter screen can filter residues such as tea leaves. The bottom of the cup is made of non-slip material which is not easy to slip off and is durable. 5. Wide range of uses: Smart water bottles are the perfect choice for convenient travel very suitable for outdoor sports work beaches schools offices picnics yoga hiking camping cycling running etc. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: 304 stainless steel 201 stainless steel Size: 23*6.5*6.5cm Capacity: 500ml Insulation performance: about 12-24 hours includes: 1 x Smart Vacuum Flask "