6+2 buttons, Wide Scroll, 800-1600-3200-4800 (-6400 Software) dpi, 4xRed LED Bar Indicators; Sunplus 6651 Optic Sensor, 6000fps, Polling rate: 125-250-500-1000 Hz; USB 1.65m Textile-Sleeved Cable+Fe, Big Ergonomic, Rubberized Top+Thumb, Nameless Finger Holder; Color-Breathing LED: Scroll, 3 Bars on Right, Cut-Out Honeycomb Stripe on Top; Programmable Buttons