HP has started selling a notebook mouse with an interesting take on wireless connectivity. Rather than using Bluetooth or RF to link up to a host system, the mouse is equipped with a Wi-Fi antenna. For notebook users who don't have built-in Bluetooth, the Wi-Fi Mobile Mouse should free up a USB port that would have otherwise needed to be dedicated to a dongle or a physical connection to a wired mouse.
The mouse itself features five programmable buttons and a 4-way tilting scroll wheel. An optical sensor handles tracking and can be adjusted between 1200 and 1600 CPI (counts per inch rather than the more common dots per inch, or DPI). Two AA batteries keep the mouse juiced, and HP says they'll last up to nine months.
As far as I can tell, the Wi-Fi Mobile mouse is only available through HP's online store. It'll set you back $50, which is a little pricey but not unreasonable given the mouse's unique attributes. Thanks to Engadget for the tip.
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