SpecificationsMfr Part Number: IM-KBCOBM1Features:Concise 87 key TKL layout design. Aluminum top plate, scratch resistantAdvanced double-shot backlit keycaps, shine-through, never rub offCherry MX equivalent switch. 60 million times operationRainbow color LED backlight customized light effectsAuto sleep function, LED lights go off when keyboard is idle for 10 minutes. Press any key to wake upMulti-function FN key combination supportedN-Key rollover, anti-ghostInterface: USB 2.0Keys number: 87 keysKey route: 2.4mm (blue switch), 2.0mm (brown, red switch), 1.5mm (black switch)Strength: 60g (blue, red and brown switch), 80g (black switch)Rated voltage/current: DC 5V/Operation platform: Windows 2000/ XP/ Vista/ 7/ 8/10/Mac OSDimensions(WxLxH): 128.70 x 359.00 x 38.24 ± 0.2 mmWeight: 660.0 gShortcut keys for multi-function:FN+1= Game Light Model 1 (FPS) - ASDW Arrow Keys ESC keys light onFN+2= Game Light Model 2 (CF) - ASDW Ctrl-L Shift-L Alt-L Space RGQEB 1-5 Tab F1-F3 Home End PgUp PgDn PrtSc keys light onFN+3= Game Light Model 3 (COD) - QWERTASDFGCV 1-7 Ctrl-L Shift-L keys light onFN+4= Game Light Model 4 (RTS) - QWERASDGXZFKLHMNUYTP Space 1-0 Ctrl-L Shift-L Alt-L keys light onFN+5= Game Light Model 5 (LOL Full) - QWER DGFBV Ctrl-L Alt-L Tab Space 1-6 Esc keys light onFN+6= Game Light Model 6 (Car Race) - ASDWR Arrow Keys Ctrl-L Shift-L Alt-L keys light onFN+7= Game Light Model 7 (NBA) - AFSWRE Space Arrow Keys ZXCV 1234 Shift-L Ctrl-L Alt-L keys light onFN+8= Game Light Model 8 (LOL Simple) - QWERDFB 1-6 light onFN+9= Customized Light Model 1 - self designFN+0= Customized Light Model 2 - self design