main functions:
Clock and date(Need to synchronize with the phone)
Step,Calories,Mileage
Heart rate,Blood pressure
Sleep monitoring
Silent alarm (can be customized):APP side set, hand ring vibration reminder
Incoming call,Call / SMS reminder Support Wechat sport
Raise the hand on the screen
IP68 Waterproof

specifications:
Model: DB05 Watch Bracelet
Bluetooth Version: BLE4.0
Bluetooth Chip:Realtek 8762-AG
Screen Size: 0.96 inch OLED touchscreen
Battery capacity: 90 mAh
Standby time: 240 hours
use time: 96 hours
Continuous heart rate test: 12 ~ 18 hours
Charging time: About 1 hours
Waterproof level: IP68
Size: 33*41*11.8mm
Compatibility: Support for IOS 8.0 or later and Android 4.3 or better systems.