ZloyGeniy,
Вот нашел похожую...там указано разрешение...думаю,начинка у них одинаковая...

Features:
Advanced Bluetooth technology eliminates the need for a separate receiver.
Optical mouse with high resolution up to 1000dpi .
Wireless range up to 10 meters (3.3ft).
Sleep mode and On/Off switch for saving energy.
Ergonomic design, very comfortable to use.
Compatible with windows 98, SE, 2000, XP, Vista, windows 7 and server 2003.
Works with Mac OSX v10.2.6, only if your MAC has Bluetooth function.
Please take a Bluetooth dongle first if your computer does not have Bluetooth function.(Bluetooth dongle is not included)
Comes with 1-year warranty.

Specifications:
Color: Black
Maximum resolution: 1000dpi
Wireless range: 10m
Power supply: 2 * AAA alkaline batteries (batteries are not included)
Dimensions: 9.3 * 6.3 * 3.8cm
Weight: 56g
Package size: 22.5 * 15 * 7cm
Package weight: 110g