... Wireless Mouse Portable Optical Mice RF USB Receiver Adapter Laptop PC LF-0794* 2.4GHz wireless transmission up to 10 meters operating distance. * ... carrier: 2402-2480MHz * RF operation channel: 16, auto frequency hopping * USB: USB 2.0 * Operation systems: Windows 2000, Me, XP, Vista, ... , 1.5V * Color: Red * Mouse size: 100*65*35mm * USB receiver size: 18*14*5mm * Mouse weight: 64g * Receiver weight ...