Gaming mouse series roccat kone motion sensor optical interface usb 20 max resolution 4 000 dpi number of keys 7 compatible operating systems windows 7 windows 8 windows vista windows xp power supply charging cable cable length 180 cm max acceleration 20 g integrated memory 576 kb signal frequency 1 000 hz response time 1 ms colours grey black motif manufacturer logo bicolour length 12 cm width 7 cm weight 90 g