Part Number 910-004070 Warranty Information 2-Year Limited Hardware Warranty System Requirements Windows® 8, Windows 8.1, Windows 7 or Windows Vista® Powered USB port Internet connection and 100MB hard drive space (for optional software download *Download Logitech Gaming Software Package Contents Mouse User documentation Technical Specifications Fusion Engine hybrid sensor 8 programmable buttons On-the-fly DPI Switching 32-bit ARM processor 1 millisecond report High-speed clicking Full-speed USB Tracking Resolution: 240-4000 dpi Max. acceleration: >16G* Max. speed: >500 ips* *Tested on Logitech G240 Gaming Mouse Pad Responsiveness USB data format: 16 bits/axis USB report rate: 1000 Hz (1ms) Microprocessor: 32-bit Glide Dynamic coefficient of friction -: .09 µ (k)* Static coefficient of friction -: .14 µ (s)* *Tested on wood-veneer desktop. Durability Buttons (Left / Right): 20 million clicks Feet: 250 kilometers Physical specifications Weight: 144 grams (mouse plus cable) Weight: 108 grams (mouse without cable) Length: 136mm Width: 72mm Height: 41mm Cable: 7ft