LED Screen Heat DisplayThis smart water bottle has a waterproof LED screen that can be accurate measure water's temperature. Now, you do not need to burn your mouth to test the temperature. No more scorched lips! Superior Quality & Eco-friendly The inner wall is made of 304 grade stainless steel for food, approved by management Food and medicine, sing the most advanced double vacuum cleaner technology. 100% ensure the safety Design with FilterThere is a filter inside the bottle, then you could make tea or coffee at office/shcool. Also a good choice for hiking, biking, shopping or any other outdoor/indoor activities Vividly Diamond Surface Exquisite diamond surface, stylish and generous, suitable as a birthday gift for friends, wife, kids, or a wonderful Mother's Day gift for mom and grandma Long Warming TimeInsulation performance: 6-12 hours Product description Features: 1 .With filter, you can filter tea, etc. 2 Features:1.Exquisite diamond surface, stylish and generous, suitable as a gift for friends 3 .Stainless steel material, healthy and safe 4 5 .Long holding time, temperature display cup lid, easy to get the temperature of water in the cup 6 .Compact design, easy to carry. Notice:Actual color may be slightly different from the image due to different monitor and light effectPlease allow 1-3cm deviation due to manual measurement Description: Material: 304 stainless steel Insulation performance: 6-12 hours Capacity: 500ml Included: 1x Bottle