Key controls and actions Short press: select a song. Long press: increase the volume. Doubleclick: switch to folder. Repeat mode Single loop function can be activated with a press. Press again to cancel the Single Loop mode. VolKey operations Short press: select the previous song. Long press: decrease the volume. Doubleclick: switch to the previous folder. Pause and radio Short press: switch between pause and play. Long press: switch to FM radio automatic station. Benefits and why it matters Flexible onedevice playback control with distinct actions for songs, folders, and volume. Quick access to folder navigation without navigating menus. Builtin repeat (Single Loop) mode for focused listening, with easy cancellation. Separate volume controls on both standard playback and folder navigation paths for precise adjustment. Integrated FM radio auto station option via the Pause control for spontaneous listening. Use scenarios On the road: Use short/long/doubleclick actions to manage songs, switch folders, and adjust volume without taking hands off the wheel or looking away from the road. While exercising: Quickly skip or replay songs, adjust volume, or switch to a folder to change playlists during a workout. At home or outdoors: Toggle play/pause with a quick press, enable FM radio for news or music, and switch between folders or songs to explore your library. Notes The description preserves the original functions and sequences exactly as specified: Short/Long/Doubleclick actions for song selection, volume control, folder navigation, and pause/radio behavior. No additional features, terms, or settings are introduced.