Specifications:
Model: K37
Bluetooth version: BLE 5.0
Main control chip: Dialog 14695
GPS chip: BCM47755 (Ceramic antenna)
Memory: Flash 128MB
Screen resolution: 360*360
Battery capacity: 480mAh
Standby time: about 40 days
Working time: about 5-10 days
Motor: Built-in, vibration reminder
APP: InfoWear
GPS: Yes
1.32 inch IPS screen,full touch
Detachable 22mm strap Standard
Machine size: 46*46*13mm
System requirements: Android 4.4 and above, iOS 8.0 and above, support Bluetooth 5.0
Watch languages: English,Italian,Japanese,German,French,Spanish,Polish,Russian,Portuguese,Hindi.

Functions:
Build in GPS positioning.
Multiple watch faces pushing,Customized watch faces.
Heart rate detection/Blood oxygen detection/Whole-day heart rate monitor.
Timer,Pedometer,Calorie Consumption,Distance Calculation,Heart rate,Blood oxygen,Sleep time /quality,On & Off dispaly,
Multiple sport modes
Sleep detection (Sleep time ,Sleep quality)
Calls to remind,SMS Reminder,Third-party messaging reminder Multilingual push,Clock alarm,Remote Camera,Music control.
Sedentary reminder
Female physiological period reminder
480mAh big battery,super long standby time,Bright screen under sunshine
Synchronous data to APK/APP
APP: InfoWear (Scan the QR code and download  “InfoWear")

Package included:
1x Smart Watch
1x Charging cable
1x User Manual