Open the cover of the USB connector, and connect the USB cable to the device.
When you use the headset, your ability to hear outside sounds may be affected. Do
not use the headset where it can endanger your safety.
When connecting any external device or any headset, other than those approved
by Nokia for use with this device, to the Nokia AV Connector, pay special attention
to volume levels.
Do not connect products that create an output signal as this may cause damage to
the device. Do not connect any voltage source to the Nokia AV Connector.
Thread a strap as shown in the picture and tighten it.
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