Use a Bluetooth Headset or Car Kit
In addition to Wi-Fi and cellular data networks, the iPhone (but
not the iPod touch!) supports one other type of wireless connection:
Bluetooth. To enable Bluetooth, go to the Settings > General >
Bluetooth screen and move the slider to On. After doing this, the
Bluetooth icon appears in the status bar by the battery icon, like this:
.
Turning on Bluetooth makes your iPhone discoverable by other Bluetooth devices (which is not currently of much value, as I explain in a moment). It also initiates a search by the iPhone for other discoverable Bluetooth devices to which it can connect.
Tip
For general background on using ...
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