Functions: 
️Heart Rate Monitor ️
Blood Pressure Monitor ️
Blood Oxygen Monitor ️
Sleep Monitor ️
Multi-sport Modes ️
Pedometer ️
Call or Message Reminder ️
Call ID Display Information ️
️Auto Light-up Screen
Specifications: 
Material: Silicone
Battery capacity: 150mAh battery capacity
Body memory: 258Mb
How to wear: Wristband
Mode of operation: touch
Interface: USB 3.0
Wireless distance: 5m (inclusive) -10m (inclusive)
Communication function: not supported
Wrist strap material: silicone
Applicable to: General
BT version: 4.0
Display: 1.3 “color screen
Size: 43.5 * 36 * 12.3mm
Screen: 240 * 240 resolution
Standby time: 10 days or so
Working hours: 5-7 days
Charging port: USB charging port
Water level: IP67
Button: One Touch
Oled type: stop