2.4G Slim Optical Wireless Mouse 2.4G Slim Optical Wireless Mouse Item specificsPlace of Origin:Guangdong China (Mainland) ... extend your working distance*Scroll Wheel for Internet surfing*Precise Optical Technology, movement can be detected in near all service*Resolutions ... , XP Vista or Mac OS 10.0 Package included:*Wireless optical mouse*USB receiverColors: total silver, black , white 3 colors ...