You can also pair the headset with some Bluetooth enabled computers and talk to friends using an audio- enabled instant messaging application like iChat.
To set the headset to be discoverable, so the other device can sense it:
1Turn the headset o∂.
2Press and hold the headset button for about eight seconds, until you hear the startup tones and then five quick high beeps.
The headset remains discoverable for about five minutes. The status light blinks green for as long as the headset is discoverable.
To pair the headset with another phone or pair it with iPhone manually:
1On the phone, turn Bluetooth on and set the phone to search for other Bluetooth devices. On iPhone, you do this by choosing Settings > General > Bluetooth and turning Bluetooth on.
2Set the headset to be discoverable (see above).
3On the phone, choose iPhone Bluetooth Headset and enter the PIN code 0000.
See the instructions that came with your phone for more information about pairing it with Bluetooth devices.