Léger et portable、Low-Key BrownSwitch、Mechanical Office Keyboard、Colourful Lighting、Bluetooth three devices/2.4G/wired multiple connection methods Fn+Q/W/E/R/T -- Bluetooth1/2/3/ 2.4G/ Ligne Fn+1~= -- F1~F12 Fn+Tab -- La lumière blanche est toujours allum