Black in color Key quantity: 5+1 buttons RGB circulation mode for the backlight DPI: 200–4800 cpi Rate of polling: 125–1000 Hz/ms; maximum frame rate: 6000 fps Maximum Acceleration: 15 g; Maximum Tracking Speed: 60 ips System compatibility: Windows XP, Vista, 7, 8, and 10; Mac OS Interface: USB Dimensions: 131*68*42 mm; weight: 160±5 g; cable length: 1.8±0.01 m