Connectivity: Bluetooth 4.0
Dimensions: 64 x 34 x 28 mm
Weight: 42 g
Display system: LED
Power: 3.7V, Li-ion 330mAh
Battery life: ~100 measurements (full battery)
Wavelength: 660 nm / 880 nm
Radiation power: 1mW
Measuring range:
SpO2: 70 – 99%
Heart rate: 30-250 beats/min
Measurement accuracy:
SpO2: 80 %～99 %：±2 %, 70 %～79 %：±3 %, <70 %: undefined
Heart rate: 30-99 beats/min:±2, 100-250 beats/min: ±2%
Data update interval: 15 sec
Automatic shutoff: 8 sec
Conditions for use:
Temperature: 5°C to 40°C
Humidity: <80% RH
Storage and transportation conditions:
Temperature: -20°C to 55°C
Humidity: <95% RH