silicone smart wristband

fitness smart wristband
Size: 255X22X9mm
Weight: 26g (Net weight)
Display: LED display
Range of temperature display:-10?-50?
Date transfer mode: USB Port
Accuracy of step count: ±5%
Tolerance of time: Tolerance for 24H(±99s/day,adjustable by software)
Data memory: Able to continuously store up to 120 hours of step count date
Step number: 0-9999 steps
Battery life: Time of charge and discharge>300 times
Power supply voltage: DV=5V
Working atmospheric pressure: 860hPa-1060hPa
Working temperature: 0-45?
silicone smart wristband