Features:The Latest New Model: RAJFOO I5100% Brand New in BoxHigh Quality， Compact Design and Measurable WeightUltra-precise Scroll WheelNew Version: High Resolution: 1600DPIResoulition adjustable in driverless-free driveSize: 125 x 75 x 40 mmSwitch Life: 10 million cycle16-bit ultra-wide data path4800FPS frames per second (3.6 megapixels per second)Zero-acoustic Ultraslick? Teflon feetSpecial Edition for GamingErgonomic Both-handed designMost suitable for Laptop user and PC userOptical technology works on most surfacesIntelligent connectivity. no need to code， plug & playBuilt-weight iron， feel comfortable， mobile and stabilityThe USB cable length is up to about 1.8mCompatible with Windows XP， Vista， Windows 7， ME，2000 and Mac OS...or latestWeight: about 125g��5gColors Available: BlackPackage Included:1 x Gaming Mouse��without retail package��