Celeste – Send-Receive Files Over Bluetooth

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Celeste brings the long-awaited missing feature to your iPhone, iPad, or iPod Touch. Send and receive songs, photos, contacts, and more. Celeste works with any Bluetooth transfer-capable device, and integrates perfectly with your built-in iOS applications.

Link

Of course you will need to be running IOS 4.2 or above and the iPhone needs to be jailbroken.