Through Authenticate 
Material: ABS for main device, Silicone for bracelet & belt clip
Transfer data to PC and smartphone wirelessly via BLUETOOTH 4.0,
Compatible with windows, MAC,IOS and Android.
Activity Mode: track steps, distance, activity time, total steps, calories, daily target
Sleep Mode: monitor sleep quality
Monitor sleep quality and performance
Both wristband and belt clip design
Technical Features:
Display: 0.91” OLED
Size: Main body: 46 x 23 x 10 mm ； Wristband: 265 x 25 mm
Belt clip: 60.5 x 25 mm
Weight: 170g (for 3 parts together)
Date memory: 30 days
Battery: Rechargeable Lithium polymer battery (battery capacity: 70mAH)
