Here is some additional information on these mice. Please keep in mind this is a rough translation

The colors available are cool black, Sapphire Blue, Fire Red, and Natural white. These mice feature a seperate usb transmitter using the 2.4Ghz DSS technology with a range of about 30 or more feet. Also this unit features a docking port on the backside of the mouse itself so that you can slide the reciever into it when you are traveling with the mouse. So there are no extra parts to worry about loosing.

Optical Specs:
800dpi optical sensor that is said to catch the slightest movements and glides smoothly on your desk and even works correctly on clothing.

Battery Specs:
Continual functioning time: Approximately 140 hours
Continual standby time: Approximately 410 days
Available time: (Calucated using unit a full 8 hour day on a personal computer, when 25% of usage is allotted to mouse operation) approximately 66 days

Transmitter Range:
Operating unit with no obstructions Approximately 30m
Operating unit with obstructions (EX. TV, Radio,Through walls)Approximately 10m. Units were tested in a office enviroment and performance is not guarenteed.

Size:
Mouse itself: W58.6 D102.0 H38.0mm (battery size not included)
Receiver: W17.8 D66.5 H10.4mm

Weight:
Mouse itself: 63g (No battery installed)
Reciever: 8.0g

Accessories included: Personal Travel pouch, 1 Type 3 alkaline dry cell battery, and two operational manuals

System Requirements: USB interface
WindowsXP/2000/Me/98
(This unit is not compatible With Windows95/NT )

Compatible with Mac OS 8.6 – 9.x/Mac OS X (After 10.2 No additional drivers are needed)

*With Mac OS, it is necessary to download the up-to-date driver from their website.

Thats about all the info I got hope it helps

Where do you purchase this mouse?

aww darn i *really* wanted one of these mouses.