HUAWEI Honor Band 4 6-Axis Inertial Heart Rate Monitor Infrared Light Wear Detection Sensor Full Touch AMOLED Color Screen Home Button All-in-One Activity Tracker 5ATM Waterproof(Blue);

specification

Matching system: Android 4.4 and above, iOS 9.0 and above
Wristband material: Silicone
Battery capacity: 100mAh (typical)
Bluetooth: Bluetooth Band 2.4 GHz; Bluetooth 4.2 Protocol
Charging interface: 2 PIN charging interface
Theoretical working time: About 6 days (open scientific sleep, open continuous heart rate measurement); about 9 days (open scientific sleep, turn off continuous heart rate measurement); about 14 days (close scientific sleep, turn off continuous heart rate measurement)
Theoretical charging time: About 1.5 hours (at 25 ° C ambient temperature)
The theoretical standby time: About 20 days (turn off all settable switches, you can view the time and the number of recorded steps)
Sensor: 6-axis inertial sensor; separate PPG heart rate meter; infrared light wearing detection sensor
Button: Full screen touch + Home button
Screen: AMOLED color display
Safety protection: 50 meters waterproof

Attributes
Dimensions: 43 mm × 17.2 mm × 11.5 mm (body size); 126 mm + 95 mm (wrist strap length)
Weighs about 23g
Software name: Huawei terminal smart bracelet control software V6.0