Cisco 521 Headset – Mono – Mini-phone (3.5mm) – Wired – 90 Ohm – 50 Hz to 18 kHz – Over-the-head – Monaural – Supra-aural – Uni-directional, Electret, Condenser Microphone

Mini-phone (3.5mm) host interface offers dependable connectivity for maximum usability

• Listen to deep lows and euphoric highs with a frequency range of sound from 50 Hz-18 kHz
• Uni-directional microphone technology ensures maximum dependability and optimal performance
• Listen to your favorite music with this over-the-head design headset
• The 521 headset provides plenty of freedom with wired connectivity
• Features boom/on-cable microphone design
• Great for Audio/Visual Labs, Assisted Listening Systems and more that have a Mono jack for non-stereo use
• Effectively cancels outside noise to eliminate distortion with maximum sound efficiency