Specification Technical Specifications Sensor Fusion Engine hybrid sensor Buttons 8 programmable buttons DPI On-the-fly DPI Switching Processor 32-bit ARM processor Latency 1 millisecond report Click High-speed clicking Connection Full-speed USB Tracking Resolution 240-4000 dpi Max. acceleration >16G 1 Max. speed >500 ips 2 Glide Dynamic coefficient of friction .09 µ (k)3 Static coefficient of friction .14 µ (s)4 Microprocessor 32-bit Responsiveness USB data format 16 bits/axis USB report rate 1000 Hz (1ms) Durability Feet 250 km (155.3) Requirements OS Windows® 8, Windows 8.1, Windows 7 or Windows Vista® Powered USB port Internet connection and 100MB hard drive space (for optional software download5 Physical specifications Height 136 mm Width 72 mm Depth 41 mm Weight 144 grams,mouse plus cable Weight 108 grams, mouse without cable Length Cable 2.1 m