Plantronics headset.
The ear pads swivel and can be moved up or down, and the microphone boom is adjustable to ensure a comfortable fit.
The cable fits a phone, and the end of the cable may be detached to fit devices that have separate sockets for playback and recording.
There is a volume control on the headset, as well as a microphone mute.
250g 20cm x 20cm x 10cm