Warranty: 6 months

Not waterproof.

Strap Material: TPU
Case Material: PC

Connection: Bluetooth 4.0
Device Requirement: Android 4.4 /above, iPhone 4S/above & iOS 9.0/above

Colourful interface
Screen size: 0.96 inches

Function:
1 Earphone Pairing
2 Answer/Hang on Phone Calls
3 Voice Assistant (Siri)
4 Activity tracker (Pedometer,Calories,Miles)
5 Sleep Monitoring
6 Heart Rate Monitor and Heart Rate Warning
7 Blood Pressure
8 Phone Tracking
9 Count-Down
10 Stopwatch
11 Notifications
12 Alarm Clock (Event Reminder and Physiological Period Reminder)
13 Sedentary Reminder
14 Remote Photograph

Battery Specification
Capacity: 85mAh
Type: Polymer Lithium
Battery Life: 3-5 days (depending on environment, the usage time varies)
Charging Ways: Contact charging
Charging Time: 1-2 hours

Technology:
Heart rate sensor: OSR7051
Sensor: kx023-1025
CPU: NRF52832 CSR8610

APP:
Name: WoFit
12 Languages:
Chinese, traditional Chinese, English, Japanese, Korean, German,
Russian, Spanish, Italian, French, Vietnamese, Portuguese.