Cosmic Byte CB-GK-06 Galactic Wired Gaming Keyboard with Aluminium Body, 7 Color RGB Backlit with Effects, Anti-Ghosting (Black/Silver) Model: Cb-gk-06 galactic interface: Wired usb keyboard with aluminium body backlight: 7 color rgb backlit, 4 levels of brightness adjustment, 9 backlight effects anti-ghosting: 19 anti-ghosting keys scratch resistant keys: Easy to clean keys with scratch - resistant inscriptions key life: More than 10 million keystrokes internet hotkeys: Home (fn plus f10), email (fn plus f11) media hotkeys: Volume up/down, play/pause, stop, prev, next, mute supported operating systems: Windows 98/2000/xp/vista/7/8/10 and above cable type: Braided cable length: 1.6 meters key life: Up to 10 million keystrokes fn plus pg dn: To reduce the backlit brightness, 4 level brightness adjustment fn plus w: W s a d and start into exchange fn plus win: Lock windows and app fn plus f1: Media fn plus f2: Volume- fn plus f3: Volumeplus fn plus f4: Mute fn plus f5: Stop fn plus f6: Previous fn plus f7: Play/pause fn plus f8: Next fn plus f9: Mail fn plus f10: Home page fn plus f11: Lock the key fn plus f12: Calculator warranty 1 year warranty for manufacturing defects only. Warranty not applicable for tampered or physical damaged products.