Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Feature:100% brand new and high qualityHigh Resolution:2400DPIAdjustable resolution: 800/1200/1600/2400DPIUltra-precise Scroll WheelButtons: 5 buttons with scroll wheelUltra-precise Scroll WheelOptical technology works on most surfacesErgonomically designed， long-term use without fatigueIntelligent connectivity， no need to code， plug & playBuilt-weight iron， feel comfortable， mobile and stability16-bit ultra-wide data pathSwitch Life:5 million cycleSize:115*73*41mmWeight:about 120gCompatible with Windows XP， Vista， Windows 7， ME， 2000 and Mac OS...or latestPackage Content:1 X Ajazz 2400DPI Gaming Mouse