Mactrem Genius K8 LED Ergonomic Bule Red Backlight Gaming Game USB Wired PC Keyboard 114 standard keys, 19 keys without conflict, 10 multimedia keys, win lock key and key lock on this gaming keyboard. ress Fn+F12 for win lock, the gaming keyboard can prevent exit game because of wrong press the "windows" key. Press Fn+F11 to lock all keys and do not worry about wrong pressing. Blue and red backlit gaming keyboard, 4 gear backlit adjustment, 3 gear respond speed adjustment. Press Fn+Tab to adjust blue/red backlit, press Fn+Esc to adjust backlit to slight light/high light/breathing/close, 40S/60S/80S respond speed can be adjusted. This gaming keyboard is used ergonomic design, ensure its comfort for user. Shell and hand holder are used paint material, no Skin needling around it. The hand holder can bear our wrist, which can prevent wrist fatigue situation. 10 million click lifetime for each key on this gaming keyboard, the key caps are used delicate matte surface treatment, which can effectively prevent oil phenomeno and ensure high APM output. Keywords on this keyboard's key cap are used laser carving technology, it can prevent keywords to be lost or unclear. System support for this gaming keyboard: Windows8/7/Vista