Huawei Honor Band 4 Running Version Shoe-Buckle Land Impact Smart Bracelet

1. Two-color strap design, make you looks more fashion. 
2. Compared with the three-axis sensor has a stronger sensing ability, combined with the upgraded running posture algorithm. 
3. Professional running guidance six-axis sensor is used to detect seven indicators data(landing method, ground impact, valgus amplitude, swing angle, stride, step frequency, touchdown time) and offer scientific interpretation and motion suggestions for running parameters 
4. Improve running efficiency, reduce energy loss caused by unreasonable running posture, saving more labour. 
5. Reduce the risk of injury, through the improvement of the running posture, the human body structure can be better autilized to cope with the load generated by the exercise, reduce the risk of injury. 
6. Two wearing method, suitable for more scenes, wrist wear and shoes wear. 
7. 50m waterproof. 
8. High-performance, low-power processor, 21 days standby, plug and charge. 
9. 0.5 inch OLED screen, round touch control key, screen on when rise your wrist, screen off when down your wrist, switch screen when turn over the wrist alarm clock, receiving calls, message reminder, sleep detection etc. 
10. Friendly and comfortable TPU strap.

Specification:
General
Model Honor Band 4

Display
Screen Size 0.5 inch
Screen Type OLED

Battery
Battery Types Undetachable
Capacity 77mAh
Standby time about 21 days
Charging Time about 2 hours

Dimensions & Weight
Size Body Size: 40.5x14.8x11.2mm, Wristband Size: 226.15x17.70mm
Weight 6g(without wristband)