FN + ESC (for 3s): Reset keyboardFN + 1 - 5: Switch through modes (1-3: BT, 4: dongle, 5: wired)FN + B: Check batteryFN + Z/X/C: Switch through layersFN + SPACEBAR (hold): Check mode and layer FN + BACKSPACE: Toggle on/offFN + |\: Switch effectFN + B: Switch colorFN + ↓/↑: Change brightnessFN + ←/→: Change effect speedFN + F1: Increase screen brightnessFN + F2: Decrease screen brightnessFN + F3: Task switcherFN + F4: Explorer (not sure what it does on Linux)FN + F5: Mail clientFN + F6: “My Computer”FN + F7: Previous trackFN + F8: Play/pause toggleFN + F9: Next trackFN + F10: MuteFN + F11: Decrease volumeFN + F12: Increase volumeFN + J: InsertFN + K: HomeFN + L: EndFN + U: Print screenFN + I: Scroll LockFN + O: PauseFN + WIN: Lock win key (on Windows)