The Latest New Model: JS-X9100% Brand New in BoxHigh Quality, Compact Design and Measurable WeightFashion Aula Killing Soul Style. Ultra-precise Scroll WheelNew Version: High Resolution: 2400DPIAdjustable resolution feature: 800/1200/1600/2400DPIFPS Switch Model: 500HZ- 1000HZ (Press Left Scroll Wheel Light Three buttons all together) Auto-Fire Button(Once Click on, never Stop until finger take off ) Forward and backword side buttonsOne Windows Internet Explorer Button(Once Switch to the Multimdia Model) Size: 115 x 77 x 38mmSwitch Life: 10 million cycleThe USB cable length is up to about 1.5m Providing all your need of Gaming and Multimedia basic functions.Included ultrafast response buttons, special Lightweight metal add in middle of mouse body.Tracking and slide control with excellent performance.Moveover The mouse comes with a 4 level adjust