1.Two Parameters: SpO2, Pulse Rate
2.Builtin Li-ion rechargeable battery
3.lightweight
4.Battery capacity indicator

1.Two Parameters: SpO2, Pulse Rate
2.Builtin Li-ion rechargeable battery
3.Longtime operating time (Can operate 15 hours with fully charged battery)
4.Audio and visual alarm, sensor-off alarm, alarm limit setup
5.Automatic Power-off no operation after 3 minutes
6.Battery capacity indicator
7.USB power cable
8.USB charger

9.Dimension:120*63*23mm
10.et Weight: 190g