A4Tech FM12S / Silent /

Mouse A4Tech FM12S Silent, Optical, 1000 dpi, 3 buttons, Ambidextrous, 4-Way Wheel, Black, USB . 8-in-One Software 4-Way Wheel High Resolution 1000 DPI Dust-Resistant Wider Scroll Wheel 5M Button Clicks Lifecycle Symmetric Design Buttons Silent Clicks Sensor OpticalReport Rate 125 HzResolution 1000 DPISize 108 x 64 x 35 mmWeight 104 gCable Length 150 cmButtons No. 3Port USBhttp://fsru.a4tech.com/product.aspx?id=284#2