Through Authenticate 
Features:
1. Activity mode : track steps(both walking and running)
2. Sleep mode : monitor sleep quality
3. Vibration function : set time from APP
4. High quality OLED display with touch screen with high precise performance
5. Device display: track steps, distance, activity time, total steps, calories, daily target
6. online data sync through smartphone or tablet with ios or android system
7. Light weight
Technical Features:
Display : 0.91” OLED with touch screen
Material : ABS for main device and usb charging cradle, Silicone for bracelet
Size: Device body : 38 * 15 * 10 mm ； Wristband: 235 * 19 mm
Battery: Rechargeable Lithium polymer battery (battery capacity: 45mAH)
Battery 2hrs for full charging and Standby: 120 hours
Weight: 25 g (Device)
Date memory: 30 days
