# LEDs Usages related to the LEDs and other indicators on the device. ## Topics ### Getting the Usages [`kHIDUsage_LED_BatteryLow`](/documentation/HIDDriverKit/kHIDUsage_LED_BatteryLow) [`kHIDUsage_LED_BatteryOK`](/documentation/HIDDriverKit/kHIDUsage_LED_BatteryOK) [`kHIDUsage_LED_BatteryOperation`](/documentation/HIDDriverKit/kHIDUsage_LED_BatteryOperation) [`kHIDUsage_LED_Busy`](/documentation/HIDDriverKit/kHIDUsage_LED_Busy) [`kHIDUsage_LED_CAV`](/documentation/HIDDriverKit/kHIDUsage_LED_CAV) [`kHIDUsage_LED_CLV`](/documentation/HIDDriverKit/kHIDUsage_LED_CLV) [`kHIDUsage_LED_CallPickup`](/documentation/HIDDriverKit/kHIDUsage_LED_CallPickup) [`kHIDUsage_LED_CameraOff`](/documentation/HIDDriverKit/kHIDUsage_LED_CameraOff) [`kHIDUsage_LED_CameraOn`](/documentation/HIDDriverKit/kHIDUsage_LED_CameraOn) [`kHIDUsage_LED_CapsLock`](/documentation/HIDDriverKit/kHIDUsage_LED_CapsLock) [`kHIDUsage_LED_Compose`](/documentation/HIDDriverKit/kHIDUsage_LED_Compose) [`kHIDUsage_LED_Conference`](/documentation/HIDDriverKit/kHIDUsage_LED_Conference) [`kHIDUsage_LED_Coverage`](/documentation/HIDDriverKit/kHIDUsage_LED_Coverage) [`kHIDUsage_LED_DataMode`](/documentation/HIDDriverKit/kHIDUsage_LED_DataMode) [`kHIDUsage_LED_DoNotDisturb`](/documentation/HIDDriverKit/kHIDUsage_LED_DoNotDisturb) [`kHIDUsage_LED_EqualizerEnable`](/documentation/HIDDriverKit/kHIDUsage_LED_EqualizerEnable) [`kHIDUsage_LED_Error`](/documentation/HIDDriverKit/kHIDUsage_LED_Error) [`kHIDUsage_LED_ExternalPowerConnected`](/documentation/HIDDriverKit/kHIDUsage_LED_ExternalPowerConnected) [`kHIDUsage_LED_FastBlinkOffTime`](/documentation/HIDDriverKit/kHIDUsage_LED_FastBlinkOffTime) [`kHIDUsage_LED_FastBlinkOnTime`](/documentation/HIDDriverKit/kHIDUsage_LED_FastBlinkOnTime) [`kHIDUsage_LED_FastForward`](/documentation/HIDDriverKit/kHIDUsage_LED_FastForward) [`kHIDUsage_LED_FlashOnTime`](/documentation/HIDDriverKit/kHIDUsage_LED_FlashOnTime) [`kHIDUsage_LED_Forward`](/documentation/HIDDriverKit/kHIDUsage_LED_Forward) [`kHIDUsage_LED_GenericIndicator`](/documentation/HIDDriverKit/kHIDUsage_LED_GenericIndicator) [`kHIDUsage_LED_HeadSet`](/documentation/HIDDriverKit/kHIDUsage_LED_HeadSet) [`kHIDUsage_LED_HighCutFilter`](/documentation/HIDDriverKit/kHIDUsage_LED_HighCutFilter) [`kHIDUsage_LED_Hold`](/documentation/HIDDriverKit/kHIDUsage_LED_Hold) [`kHIDUsage_LED_IndicatorAmber`](/documentation/HIDDriverKit/kHIDUsage_LED_IndicatorAmber) [`kHIDUsage_LED_IndicatorFastBlink`](/documentation/HIDDriverKit/kHIDUsage_LED_IndicatorFastBlink) [`kHIDUsage_LED_IndicatorFlash`](/documentation/HIDDriverKit/kHIDUsage_LED_IndicatorFlash) [`kHIDUsage_LED_IndicatorGreen`](/documentation/HIDDriverKit/kHIDUsage_LED_IndicatorGreen) [`kHIDUsage_LED_IndicatorOff`](/documentation/HIDDriverKit/kHIDUsage_LED_IndicatorOff) [`kHIDUsage_LED_IndicatorOn`](/documentation/HIDDriverKit/kHIDUsage_LED_IndicatorOn) [`kHIDUsage_LED_IndicatorRed`](/documentation/HIDDriverKit/kHIDUsage_LED_IndicatorRed) [`kHIDUsage_LED_IndicatorSlowBlink`](/documentation/HIDDriverKit/kHIDUsage_LED_IndicatorSlowBlink) [`kHIDUsage_LED_Kana`](/documentation/HIDDriverKit/kHIDUsage_LED_Kana) [`kHIDUsage_LED_LowCutFilter`](/documentation/HIDDriverKit/kHIDUsage_LED_LowCutFilter) [`kHIDUsage_LED_MessageWaiting`](/documentation/HIDDriverKit/kHIDUsage_LED_MessageWaiting) [`kHIDUsage_LED_Microphone`](/documentation/HIDDriverKit/kHIDUsage_LED_Microphone) [`kHIDUsage_LED_Mute`](/documentation/HIDDriverKit/kHIDUsage_LED_Mute) [`kHIDUsage_LED_NightMode`](/documentation/HIDDriverKit/kHIDUsage_LED_NightMode) [`kHIDUsage_LED_NumLock`](/documentation/HIDDriverKit/kHIDUsage_LED_NumLock) [`kHIDUsage_LED_OffHook`](/documentation/HIDDriverKit/kHIDUsage_LED_OffHook) [`kHIDUsage_LED_OffLine`](/documentation/HIDDriverKit/kHIDUsage_LED_OffLine) [`kHIDUsage_LED_OnLine`](/documentation/HIDDriverKit/kHIDUsage_LED_OnLine) [`kHIDUsage_LED_PaperJam`](/documentation/HIDDriverKit/kHIDUsage_LED_PaperJam) [`kHIDUsage_LED_PaperOut`](/documentation/HIDDriverKit/kHIDUsage_LED_PaperOut) [`kHIDUsage_LED_Pause`](/documentation/HIDDriverKit/kHIDUsage_LED_Pause) [`kHIDUsage_LED_Play`](/documentation/HIDDriverKit/kHIDUsage_LED_Play) [`kHIDUsage_LED_Player1`](/documentation/HIDDriverKit/kHIDUsage_LED_Player1) [`kHIDUsage_LED_Player2`](/documentation/HIDDriverKit/kHIDUsage_LED_Player2) [`kHIDUsage_LED_Player3`](/documentation/HIDDriverKit/kHIDUsage_LED_Player3) [`kHIDUsage_LED_Player4`](/documentation/HIDDriverKit/kHIDUsage_LED_Player4) [`kHIDUsage_LED_Player5`](/documentation/HIDDriverKit/kHIDUsage_LED_Player5) [`kHIDUsage_LED_Player6`](/documentation/HIDDriverKit/kHIDUsage_LED_Player6) [`kHIDUsage_LED_Player7`](/documentation/HIDDriverKit/kHIDUsage_LED_Player7) [`kHIDUsage_LED_Player8`](/documentation/HIDDriverKit/kHIDUsage_LED_Player8) [`kHIDUsage_LED_PlayerIndicator`](/documentation/HIDDriverKit/kHIDUsage_LED_PlayerIndicator) [`kHIDUsage_LED_Power`](/documentation/HIDDriverKit/kHIDUsage_LED_Power) [`kHIDUsage_LED_Ready`](/documentation/HIDDriverKit/kHIDUsage_LED_Ready) [`kHIDUsage_LED_Record`](/documentation/HIDDriverKit/kHIDUsage_LED_Record) [`kHIDUsage_LED_RecordingFormatDetect`](/documentation/HIDDriverKit/kHIDUsage_LED_RecordingFormatDetect) [`kHIDUsage_LED_Remote`](/documentation/HIDDriverKit/kHIDUsage_LED_Remote) [`kHIDUsage_LED_Repeat`](/documentation/HIDDriverKit/kHIDUsage_LED_Repeat) [`kHIDUsage_LED_Reserved`](/documentation/HIDDriverKit/kHIDUsage_LED_Reserved) [`kHIDUsage_LED_Reverse`](/documentation/HIDDriverKit/kHIDUsage_LED_Reverse) [`kHIDUsage_LED_Rewind`](/documentation/HIDDriverKit/kHIDUsage_LED_Rewind) [`kHIDUsage_LED_Ring`](/documentation/HIDDriverKit/kHIDUsage_LED_Ring) [`kHIDUsage_LED_SamplingRateDetect`](/documentation/HIDDriverKit/kHIDUsage_LED_SamplingRateDetect) [`kHIDUsage_LED_ScrollLock`](/documentation/HIDDriverKit/kHIDUsage_LED_ScrollLock) [`kHIDUsage_LED_SendCalls`](/documentation/HIDDriverKit/kHIDUsage_LED_SendCalls) [`kHIDUsage_LED_Shift`](/documentation/HIDDriverKit/kHIDUsage_LED_Shift) [`kHIDUsage_LED_SlowBlinkOffTime`](/documentation/HIDDriverKit/kHIDUsage_LED_SlowBlinkOffTime) [`kHIDUsage_LED_SlowBlinkOnTime`](/documentation/HIDDriverKit/kHIDUsage_LED_SlowBlinkOnTime) [`kHIDUsage_LED_SoundFieldOn`](/documentation/HIDDriverKit/kHIDUsage_LED_SoundFieldOn) [`kHIDUsage_LED_Speaker`](/documentation/HIDDriverKit/kHIDUsage_LED_Speaker) [`kHIDUsage_LED_Spinning`](/documentation/HIDDriverKit/kHIDUsage_LED_Spinning) [`kHIDUsage_LED_StandBy`](/documentation/HIDDriverKit/kHIDUsage_LED_StandBy) [`kHIDUsage_LED_Stereo`](/documentation/HIDDriverKit/kHIDUsage_LED_Stereo) [`kHIDUsage_LED_Stop`](/documentation/HIDDriverKit/kHIDUsage_LED_Stop) [`kHIDUsage_LED_SurroundOn`](/documentation/HIDDriverKit/kHIDUsage_LED_SurroundOn) [`kHIDUsage_LED_SystemSuspend`](/documentation/HIDDriverKit/kHIDUsage_LED_SystemSuspend) [`kHIDUsage_LED_ToneEnable`](/documentation/HIDDriverKit/kHIDUsage_LED_ToneEnable) [`kHIDUsage_LED_Usage`](/documentation/HIDDriverKit/kHIDUsage_LED_Usage) [`kHIDUsage_LED_UsageInUseIndicator`](/documentation/HIDDriverKit/kHIDUsage_LED_UsageInUseIndicator) [`kHIDUsage_LED_UsageIndicatorColor`](/documentation/HIDDriverKit/kHIDUsage_LED_UsageIndicatorColor) [`kHIDUsage_LED_UsageMultiModeIndicator`](/documentation/HIDDriverKit/kHIDUsage_LED_UsageMultiModeIndicator) --- Copyright © 2026 Apple Inc. 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