From Apple: AirPort Express with AirTunes allows users to play music from their Mac or PC directly to their home stereo or powered speakers. The highly portable AirPort Express can be used alone or added to an existing Wi-Fi network. AirPort Express provides four key features in a single product; it allows you to wirelessly play iTunes music, connect to the Internet over a broadband connection, extend the range of your existing AirPort Extreme or AirPort Express wireless network, and share a USB printer.
What's new in this version:
- Supports Keyspan Express Remote for use with AirTunes (AirPort Express only)
- Support for WPA security on WDS networks
- Ability to rename a USB printer connected to a base station
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