Jabra BIZ 2400 II QD Duo UNC

Better conversation
Ultra noise canceling microphone to eliminate background noise.
Better sound - HD voice + Hi-Fi sound
For crystal clear conversation.
Better build - unbreakable 360 spin boom arm
For outstanding durability and optimum positioning.
Etter comfort - 40% lighter than competing headsets
Super soft leatherette head and ear cushioning for a superior fit.
PeakStop
PeakStop instantly removes any harmful loud sounds before they even reach your ears. This keeps the sound level in the safe range and protects your hearing.
Talk in comfort
Find the perfect fit with a range of light,ergonomically designed frames,soft ear cushions,adjustable headbands and microphone boom. Your headset will be comfortable all day long.
HD voice/wideband audio
HD voice lets you have lifelike,vibrant conversations. You won't have to struggle to hear what the other person is saying.
Freespin
You can rotate the boom arm 360 degrees without the risk of breaking it. Find the microphone placement that works for you.
Kevlar -reinforced cord
Cords are built to last and reinforced with Kevlar. They're extremely durable and will take most daily punishment.
Multi-device connectivity
You can purchase a variety of different cords that let you connect to your smartphone or deskphone.
Noise-canceling microphone
Noise-canceling microphone reduces unwanted background noise and is ideal in noisy open-office environments. Ultra noise-canceling variant is also available.
Air shock microphone
Having the mic close to your mouth can cause unwanted breathing noise. To reduce this,they designed the mic with many small holes and placed a layer of foam on the inside. This prevents most air shocks and improves call quality.