Logitech Stereo headset microphone w/ 3.5mm connector

Logitech Headset (used for tour guide system).

Logitech's H151 Stereo Headset works very well with our DCT-611 tourguide transmitter, but also for listening to music and talking on your computer, tablet or smartphone. Use your H151 headset on almost all operating systems and platforms thanks to the standard 3.5mm jack connectivity. Adjust the volume and mute the microphone instantly without touching your main device or other accessories. Wear it on your left or right side and rotate it out of the way when you are not using it. Plus, it cuts background noise.

•Full stereo headphones
•Adjustable headband with comfortable ear cups
•In-line audio controls - adjust the volume and mute the microphone instantly
•Computer, tablet and smartphone connectivity via standard 3.5mm jack
•Headphone sensitivity: 122dB ±3dB
•Headphone frequency: 20Hz-20KHz
•Input impedance: 32ohms
•Input jack: 3.5mm