We supply Handheld Pulse Oximeter. The details as follows:
SpO2 measurement range: 0-100%
Resolution: 1%
Pulse measurement range: 30-254BPM
Accuracy: -2%~2% during 70%-100%
-3%~3% during 50%-69%
Resolution: 1 BPM or -2%~2%, take the bigger one

Digital Technology;
Accurate measurement during low perfusion;
Built-in rechargeable battery and seat-type charger for long time using. Power saved function
Anti-Movement, Stable Performance;
Bright, Easy-to-Read LED numerals;
Lightweight, Superior portability.
Built-in memory card for data storage: Connect to computer and save data: Optional blue-teeth function
2 parameters: SpO2+pulse rate