Buffalo has unveiled the Dualie - an iPhone/iPhone dock that backs up your iPhone as well as recharging it. 

The Dualie iPhone dock incorporates a 500GB Mac-formatted hard drive that supports Apple Time Machine backup device. It connects to a Mac via USB 2.0 and a FireWire 400/800 port.

"The Buffalo Dualie is a unique step forward that moves beyond 'just storage', offering an innovative work space solution that differentiates our brand and will support our growth with the consumer storage market," said Paul Hudson, northern European sales director at Buffalo Technology.

The Buffalo Dualie is compatible the iPhone 3G/3GS, as well as the second generation iPod Touch, iPod Classic and fifth generation iPod Nano.

It is priced at £199 and will be available from February.

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See also: Buffalo LinkStation Duo twin NAS drive