Screen size 7.2 Inches Special feature, Alarm Clock, Calorie Tracker Shape Round Target audience Adults,Boys,Girls Age range (description) Adult Band material type Silicone Band colour black Operating system Android Sport Swimming, Fitness Fitness Tracker WatchDesigned for kids adults fitness tracker to track it intelligently, display time/date, pedometer steps, real-time distance, calories, vibration alarm clock etc. With digital LED display, bright and clear, easy to read. Non-Bluetooth & NO APP Activity TrackerNO need to connect smartphone through blutooth or download a APP. Automatically tracks your steps, distance and calories burned. The operation is simple, especially suitable for children and students. This is a great gift for Kids Boys Girls. Skin-friendly Silicone StrapFood-grade silicone skin-friendly strap, soft and comfortable, suitable for children. Buckle design is easy to adjust the size and the watch clasp makes it easy for children to take off and wear. Long Battery Life & Easy ChargingRemove the watch from the strap, then Insert the chip-mounted end into a USB port to charge (No cable required). Fully charged battery will last up to 25-30 days and the directly USB charging is easy. Water Resistant WatchSupport daily life level waterproof, 50 Meter IP68 Swimming waterproof. Please note too much water contact or usage in extreme Hot or Cold temperature will shorter watch life.