Item size: 8.5*5*2.8cmWhite paper box packing, 9.5*5.5*4.5cm50pcs/ctnCarton size: 29*24*20cmN.W.:3.3kgG.W.:3.9kg

RF wireless optical mouse allows you work freelyCute design, mini size for travelers and notebook users800dpi resolution, 27MHz radio frequency, 256 ID channelThumb-size USB receiver for plug and play

Item size: 11.5*6.3*3.6cmWhite paper box packing, 13.2*9.6*4.2cm50pcs/ctnCarton size: 51.5*24*28.5cmN.W.:8kgG.W.:9kg

RF wireless optical mouse allows you work freelyCute design, mini size for travelers and notebook users800dpi resolution, 27MHz radio frequency, 256 ID channelThumb-size USB receiver for plug and play

Material: plastic, ABSWhite paper box packing50pcs/ctnCarton size: 51.5*2.4*28.5cmG.W.: 9.5kg

Material: plasticWhite paper box packing50pcs/ctnCarton size: 29*24*20cmG.W.: 3.8kg

* Protocols supported: 1.0, 1.1, 2.0* External connector: 1 USB port* Accessory included:1 USB 1.1 or 2.0 cableUser manualDriver disksDrivers available:Windows 98/MEWindows 2000/XPMac OS or higher, Li

* Protocols supported: 1.0, 1.1, 2.0* External connector: 1 USB port* Transfer rate: 1.5/12Mbit/s* Accessory included:1 USB 1.1 or 2.0 cableUser manualDriver disksDrivers available:Windows 98/MEWindow

* Protocols supported: 1.0, 1.1, 2.0* External connector: 1 USB port* Accessory included:1 USB 1.1 or 2.0 cableUser manualDriver disksDrivers available:Windows 98/MEWindows 2000/XPMac OS or higher, Li