Features 1. LED Display: This smart water bottle features an LED temperature display to help avoid discomfort from hot liquids. 2. Stainless Steel: Made with food-grade stainless steel for safe and healthy use. 3. Easy to Clean: Designed with a removable spout and detachable filter net for convenient cleaning. 4. Wide Application: The 500ml capacity makes this water bottle suitable for travel, hiking, biking, shopping, and office use. 5. Perfect Gift: Keeps beverages cold for up to 24 hours or hot for up to 12 hours, making it an ideal gift choice. Specifications Item Type: Smart Water Bottle Material: 304 Stainless Steel Inner Wall, 201 Stainless Steel Outer Shell Capacity: 500ml Battery Capacity: 50mAh (Built-in Button Battery Included) Battery Type: Button Battery (1 Piece) Battery Model: CR2032 (1 Piece) Product Size: Approx. 23.5 x 6.5cm / 9.25 x 2.56in (Manual Measurement, Slight Error May Exist) Weight: Approx. 302g / 10.65oz Package List 1 x Smart Water Bottle