Here is a useful USB gadget for those people who have limited desk space, the USB SoundBar Stereo Speaker.

The USB SoundBar Stereo Speaker measures 206 x 32 x 24mm and is designed to be placed under your monitor to save desk space, it can also be used as a portable speaker with your laptop or netbook.

Here are the specifications.

• Compact, portable stereo speaker system
• Built-in sound card, no driver need to install
• Power supply by USB port
• Full range, shielded enclosure type
• Hard drum technology maximize the base sound
• Impedance: 4Ω (ohm)
• Rated Output Power: 2w
• Max. Output Power: 5W
• Compatible Window Vista/XP/2000, Mac OS 9/ OS X or higher
• Dimension: 206 x 32 x 24mm (approx.)
• Weight: 124g

The USB SoundBar Stereo Speaker is compatible with Windows and Mac OS X, and is available for $25 from USB Geek.