iOne 7-button USB High Performance Laser Gaming Op Mouse iOneHigh Performance Laser Gaming Optical Mouse General Features: USB interface 7-buttons High speed performance gaming optical mouse Image processing speed: 500 - 6469 frames/sec 400/800/1600 dpi adjustable sensor (without driver) Powered by Agilent ADNS-6000 Sensor IC 20x sensitivity than a standard optical mouse 8 g acceleration speed 5.8M/second image processing speed