Logitech H151 Binaural Head-band Reference: 981-000589
Logitech Stereo Headset H150 Coconut Reference: 981-000350
Logitech Headset H340 Black USB Reference: 981-000475
Logitech H570e, USB, 31.5-20000 Hz Reference: 981-000575
Logitech Headset H540 Black USB Reference: 981-000480