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Large desktop knob provides convenient system volume adjustment. Press control supports mute or media action depending on operating-system mapping. USB wired design needs no battery or wireless pairing.
Check the connector direction, host capability, operating-system support and the complete cable/device signal chain before ordering. Install or connect only when equipment is powered down where appropriate.
Before you buy: Control behaviour can vary by operating system and application. This controller does not contain a DAC or amplify headphones; it sends USB media-control commands.
Package: one fixed LINEIN-CT-073 configuration as described. Computers, displays, drives, cards and cables shown for context are not included unless explicitly stated.
