Major Features

■Integrated with SpO₂ probe and processing display module
■Small in volume、light in weight and convenient in carrying
■Operation of the product is simple ,low power consumption
■SpO₂ value display
■Pulse rate value display
■With measured data overruns limits and low-voltage alarm function
■Low-voltage indication: low-voltage indicator appears before working abnormally which is due to low-voltage, and with alarm function
■Automatically power off function: when the device is under the state of measuring interface .It will automatically power off within 5 seconds if the finger falls out of probe
■Fashion appearance,ring style

Main performance

Display Mode: segment LCD display
SpO₂ Measuring Range: 0%～100%, (the resolution is 1%).
Accuracy: 70%～100%: ±2% ,Below 70% unspecified.
PR Measuring Range: 30bpm～250bpm, (the resolution is 1bpm)
Accuracy: ±2bpm or ±2% (select larger)
Measurement Performance in Weak Filling Condition:
SpO₂ and pulse rate can be shown correctly when pulse-filling ratio is 0.4%. SpO₂ error is ±4%, pulse rate error is ±2 bpm or ±2% (select larger).
Resistance to Surrounding Light: The deviation between the value measured in the condition of man-made light or indoor natural light and that of darkroom is less than ±1%.
Voltage: DC 3.6V～4.2V
Power Supply:Voltage 3.6 rechargeable lithium battery × 1 
Battery Working Hour: 2 hours
Battery working life: Charge and discharge no less than 300 times.
Safety Type: Interior Battery, BF Type

Accessories

Sell in standard:
■A user manual
■One rechargeable buttony lithium battery
■Charge accessories: One power adapter, one charger, one data line

Physical Identity

Dimension: 32(L) × 28(W) × 40(H) mm
Weight: About 14g (with a buttony lithium battery)