Product parameters
System requirements: Android 4.4 and above, IOS 8.0 or more, support for Bluetooth 4.0
Bluetooth version: BLE 4.0
Master chip: NRF52832
Memory: 64K (Flash 512K)
Screen display: 0.96 inch OLED
Battery capacity: 80 mAh
Standby time: 20 days or so
Working time: 7 days or so
Motor: built-in, vibration reminder
Waterproof rating: IP67
Sensor: gravity sensor
Net weight: 25g

APP / APK download mode: "Andrews and Apple application synchronization: Hey Band reminder (IOS system in the Apple store, Andrews mobile phone in the application of treasure search Hey Band APK download and install)", two-dimensional code scan download and install Hey Band

Product Features
Heart rate test, blood oxygen test, blood pressure monitoring, fatigue
Time display, step, calorie, distance, heart rate, sleep time, camera, switch machine display
Standard motor function (step, distance, calorie)
Sleep monitoring (sleep time, sleep quality)
Call notification, information to remind, QQ push, WeChat push
Anti-lost reminder (mobile phone beyond the scope of the ring will remind)
Alarm clock
Task reminder (sedentary reminder, drink reminder)
Fitness target setting
Remote control camera
Synchronize data to APK / APP