Stereo headset with 3.5 mm

The HP Stereo 3.5 mm Headset (840339-001) is an audio accessory for listening in stereo. HP lists this exact part number as a headset spare part in its service guide.

Its confirmed connection is 3.5 mm, while the stereo format provides audio through the headset. This description is limited to the details HP confirms for this part; the source does not specify a microphone, cable length or package contents.