Checkme O2 Oxiband - Using the Monitor; Charging the Device; Powering the Device On and Off; Wearing the Monitor

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3. Using the Monitor
2.1 Charging
Connect the device to a standard USB charging port with the
provided charging cable. Charge the battery fully before
using to get an overnight recording.
2.2 Power On/Off
Press the button to power on the device.
Press the button for three seconds to power off the device
normally.
Press the button for five seconds to power off the device
forcedly if necessary.
2.3 Wearing the Monitor
1. Wear the monitor on the left wrist.
2. Connect the sensor cable to the device.