Jabra Biz 2300 is built to survive in a high-performing contact center, meaning fewer headset replacements and downtime for you and your team and lower total cost of ownership. Reinforced cord is built to withstand the contact center environment and is protected against office chair wheels, sharp objects and daily use. Boom arm can be rotated 360 degrees with zero risk of breaking. Extremely lightweight and unobtrusive design means lowered agent fatigue and more productive calls. Weighs just 49 grams (1.73oz) in the mono version, and just 68 grams (2.4oz) in duo. Adjustable headband and microphone boom arm let you find the perfect fit. Control unit lets you change volume, mute your calls, and more. PeakStop? technology removes sudden loud sounds or tones before they reach your ears. The Jabra Biz 2300 has both. HD voice technology makes sure you clearly understand the other party. The speakers reduce ambient noise, so you can focus on the call. Specially designedair shock? noise cancelling mic filters out sharp breathing sounds and popping noises often heard in conversations.