? SLIMMEST DESIGN & HIGH QUALITY DUAL BANDS: 1. The slim and adjustable design of the fitness tracker wristband makes it suitable for both adults and kids 8+; 2. Made of flexible, durable TPU material, DO NOT contain any harmful substance. Lightweight and comfortable, brings comfortable experience when you exercise, sleep and beyond.
? ALL-DAY STEP COUNTER & CALORIE COUNTER: Track your or your kids' steps, distance and calories burning automatically, you can view this data easily on your activity tracker watch or smartphone app.
? AUTO SLEEP MONITOR & VIBRATING ALARM CLOCK: Automatically track how well you sleep at night, get the data about your sleep trends through the night in the app.The silent vibration alarm clock can wake you up without disturbing others.
? BUILT-IN USB INTERFACE & LONG BATTERY TIME: Built-in USB interface design. You can charge it by any USB adapter without requiring an extral charger. Charging for 1-2 hours, the fitness tracker battery can last up to 7 days. (varies with use and other factors).
? COMPATIBILITY: With free app "VeryFitPro" , Compatible with Android 4.4 above and iOS 8.0 above ( for use with Smartphone only ) .