A16 BLE 4.0 ADI Sensor Heart Rate Smart Bracelet with Alarm 30 Days Standby Time

Main Features:
- BLE 4.0
Low-consumption, long standby time, you can use it for 30 days at most
- Heart rate monitor
With professional ADI heart rate sensor, it will calculate your heartbeat by green LED light
- SUOTA function
You can use it to update the wristband's hardware via the APP
- Information remind
Remind you to view the call, SMS, QQ, WeChat, etc.
- Sleep monitor
When you start to fall asleep, it will record your sleeping conditions, and wake you up by vibration
- Shake it to take photos
Convenient to remote camera, record precious moments
- 0.42 inch OLED screen
Working time: about one week
DA14580 chip
IP67 waterproof grade
- APP download
You can search the APP name called "DayDay Band" in the App Store or Google Play
- Support OS
Support Android 4.4, iOS 7.0 and above systems
- 0.42 inch OLED screen
- Hand up, the screen will not be bright