Checkme O2 Max User Manual

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Note:
The serial number is on the back of the device.
2.6 How to synchronize the time of the device
The time of the monitor will be automatically
synchronized with the network time on your smart
device after connected with the app.
Note: Refer the ViHealth app manual for more details.
2.7 Alert
When the monitor detects low blood oxygen or
abnormal pulse rate, it supports triggering vibration
reminders or sound reminders.
You can customize the vibration reminder after the
monitor power on, or use the App to configure the
vibration intensity.
The sound reminder only can be configured on the App.
2.8 Download App
App name: ViHealth
iOS: App Store
Android: Google Play

Checkme O2 Max Specifications

General

Category	Personal Care Products
Connectivity	Bluetooth 4.0
SpO2 Range	70% - 99%
PR Range	30 - 250 bpm
App Compatibility	iOS and Android
Accuracy	SpO2: ±2%, PR: ±2 bpm
Charging Time	2 hours
Display	OLED
Weight	50g
Data Storage	4 sessions
Measurement Range	SpO2: 70%-99%, PR: 30-250 bpm