Specifications Part Number 910-004067 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 (k)* Static coefficient of friction -: .14 (s)* *Tested on wood-veneer desktop. Durability Buttons (Left / Right): 20 million clicks Feet: 250 km (155.3) Physical specifications Height: 136 mm (5.4 in) Width: 72 mm (2.8 in) Depth: 41 mm (1.6 in) Weight: 144 grams,mouse plus cable (5.1 oz) Weight: 108 grams, mouse without cable (3.8 oz) Length Cable: 2.1 m (7 ft)