1.TPE and TPU Strap: The strap is made of comfortable and soft TPE and TPU material, environmental materials. The strap is specifically designed for children's watch. 2.IP68 Waterproof and 16 Sports more→Modes: The children sports smart watch is IP68 waterproof, and has 16 sports modes, and no need to worry about the impact of rain. 3.Multi Functions: Steps, distance, calories, information reminders, sedentary reminders, water reminders, alarm clock reminders, and other newly upgraded intelligent sports. 4.Software Message Push: S90 children's smart sports bracelet health watch supports message push on for Facebook, for Twitter, and other platforms. 5.Transparent and Scratch Resistant glass