Solaar version 1.1.3 1: MX Keys Keyboard Device path : /dev/hidraw4 WPID : 408A Codename : MX Keys Kind : keyboard Protocol : HID++ 4.5 Polling rate : 20 ms (50Hz) Serial number: AB75A32F Model ID: B35B408A0000 Unit ID: AB75A32F Bootloader: BL1 08.00.B0011 Firmware: MPK 12.01.B0013 Other: The power switch is located on the edge of top right corner. Supports 33 HID++ 2.0 features: 0: ROOT {0000} 1: FEATURE SET {0001} 2: DEVICE FW VERSION {0003} Firmware: Bootloader BL1 08.00.B0011 00008169E8BB Firmware: Firmware MPK 12.01.B0013 408AFE037737 Firmware: Other Unit ID: AB75A32F Model ID: B35B408A0000 Transport IDs: {'btleid': 'B35B', 'wpid': '408A'} 3: DEVICE NAME {0005} Name: MX Keys Wireless Keyboard Kind: keyboard 4: WIRELESS DEVICE STATUS {1D4B} 5: RESET {0020} 6: DEVICE FRIENDLY NAME {0007} Friendly Name: MX Keys 7: BATTERY STATUS {1000} Battery: 50%, discharging, next level 20%. 8: REPROG CONTROLS V4 {1B04} 9: CHANGE HOST {1814} 10: HOSTS INFO {1815} Host 0 (paired): W10R90XMR2F Host 1 (paired): emile-pc Host 2 (unpaired): 11: BACKLIGHT2 {1982} 12: K375S FN INVERSION {40A3} 13: ENCRYPTION {4100} 14: LOCK KEY STATE {4220} 15: KEYBOARD DISABLE KEYS {4521} 16: MULTIPLATFORM {4531} 17: DFUCONTROL SIGNED {00C2} 18: DEVICE RESET {1802} internal, hidden 19: unknown:1803 {1803} internal, hidden 20: CONFIG DEVICE PROPS {1806} internal, hidden 21: unknown:1813 {1813} internal, hidden 22: OOBSTATE {1805} internal, hidden 23: unknown:1830 {1830} internal, hidden 24: unknown:1890 {1890} internal, hidden 25: unknown:1891 {1891} internal, hidden 26: unknown:18A1 {18A1} internal, hidden 27: unknown:1DF3 {1DF3} internal, hidden 28: unknown:1E00 {1E00} hidden 29: unknown:1EB0 {1EB0} internal, hidden 30: unknown:1861 {1861} internal, hidden 31: unknown:1A20 {1A20} internal, hidden 32: unknown:18B0 {18B0} internal, hidden Has 24 reprogrammable keys: 0: Host Switch Channel 1 , default: HostSwitch Channel 1 => HostSwitch Channel 1 nonstandard, divertable, persistently divertable, analytics key events, pos:0, group:0, group mask:empty reporting: default 1: Host Switch Channel 2 , default: HostSwitch Channel 2 => HostSwitch Channel 2 nonstandard, divertable, persistently divertable, analytics key events, pos:0, group:0, group mask:empty reporting: default 2: Host Switch Channel 3 , default: HostSwitch Channel 3 => HostSwitch Channel 3 nonstandard, divertable, persistently divertable, analytics key events, pos:0, group:0, group mask:empty reporting: default 3: Brightness Down , default: Brightness Down => Brightness Down is FN, FN sensitive, reprogrammable, divertable, persistently divertable, analytics key events, pos:1, group:0, group mask:empty reporting: default 4: Brightness Up , default: Brightness Up => Brightness Up is FN, FN sensitive, reprogrammable, divertable, persistently divertable, analytics key events, pos:2, group:0, group mask:empty reporting: default 5: Mission Control/Task View , default: Mission Control/Task View => Mission Control/Task View is FN, FN sensitive, reprogrammable, divertable, persistently divertable, analytics key events, pos:3, group:0, group mask:empty reporting: default 6: Dashboard Launchpad/Action Center, default: Dashboard Launchpad/Action Center => Dashboard Launchpad/Action Center is FN, FN sensitive, reprogrammable, divertable, persistently divertable, analytics key events, pos:4, group:0, group mask:empty reporting: default 7: Show Desktop , default: Show Desktop => Show Desktop is FN, FN sensitive, reprogrammable, divertable, persistently divertable, analytics key events, pos:5, group:0, group mask:empty reporting: default 8: Backlight Down , default: Backlight Down => Backlight Down is FN, FN sensitive, reprogrammable, divertable, persistently divertable, analytics key events, pos:6, group:0, group mask:empty reporting: default 9: Backlight Up , default: Backlight Up => Backlight Up is FN, FN sensitive, reprogrammable, divertable, persistently divertable, analytics key events, pos:7, group:0, group mask:empty reporting: default 10: Previous Fn , default: Previous => Previous is FN, FN sensitive, reprogrammable, divertable, persistently divertable, analytics key events, pos:8, group:0, group mask:empty reporting: default 11: Play/Pause Fn , default: Play/Pause => Play/Pause is FN, FN sensitive, reprogrammable, divertable, persistently divertable, analytics key events, pos:9, group:0, group mask:empty reporting: default 12: Next Fn , default: Next => Next is FN, FN sensitive, reprogrammable, divertable, persistently divertable, analytics key events, pos:10, group:0, group mask:empty reporting: default 13: Mute Fn , default: Mute => Mute is FN, FN sensitive, reprogrammable, divertable, persistently divertable, analytics key events, pos:11, group:0, group mask:empty reporting: default 14: Volume Down Fn , default: Volume Down => Volume Down is FN, FN sensitive, reprogrammable, divertable, persistently divertable, analytics key events, pos:12, group:0, group mask:empty reporting: default 15: Volume Up Fn , default: Volume Up => Volume Up nonstandard, reprogrammable, divertable, persistently divertable, analytics key events, pos:0, group:0, group mask:empty reporting: default 16: Calculator , default: Calculator => Calculator nonstandard, reprogrammable, divertable, persistently divertable, analytics key events, pos:0, group:0, group mask:empty reporting: default 17: Screen Capture/Print Screen, default: Screen Capture => Screen Capture nonstandard, reprogrammable, divertable, persistently divertable, analytics key events, pos:0, group:0, group mask:empty reporting: default 18: App Contextual Menu/Right Click, default: Right Click/App Contextual Menu => Right Click/App Contextual Menu nonstandard, reprogrammable, divertable, persistently divertable, analytics key events, pos:0, group:0, group mask:empty reporting: default 19: Lock PC , default: WindowsLock => WindowsLock nonstandard, reprogrammable, divertable, persistently divertable, analytics key events, pos:0, group:0, group mask:empty reporting: default 20: Left Arrow , default: Keyboard Left Arrow => Keyboard Left Arrow nonstandard, divertable, persistently divertable, analytics key events, pos:0, group:0, group mask:empty reporting: default 21: Right Arrow , default: Keyboard Right Arrow => Keyboard Right Arrow nonstandard, divertable, persistently divertable, analytics key events, pos:0, group:0, group mask:empty reporting: default 22: F Lock , default: Do Nothing One => Do Nothing One is FN, analytics key events, pos:0, group:0, group mask:empty reporting: default 23: FN Key , default: Do Nothing One => Do Nothing One nonstandard, analytics key events, pos:0, group:0, group mask:empty reporting: default Battery: 50%, discharging, next level 20%.