It is a Y adapter audio cable.

It converts 2 plugs old headset to work on 1/8" (3.5 mm) combination headphone/speaker jack computers or cellphones.

Connector:
3.5 mm 4-conductor TRRS phone plug
3-co...

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Product Review

It is a Y adapter audio cable.

It converts 2 plugs old headset to work on 1/8" (3.5 mm) combination headphone/speaker jack computers or cellphones.

Connector:
3.5 mm 4-conductor TRRS phone plug
3-conductor jack (headphone/microphone jack)

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