SC 630 USB CTRL

 â–º Premium wired headsets designed specifically for all-day use with Unified Communications (UC) and softphones in busy contact centers and offices.
 â–º A premium single-sided wired headset with built in call control unit for quality-conscious contact center, office and UC professionals requiring outstanding sound performance while maintaining contact with their surroundings.
 â–º With a comfortable fit that lasts all day and a solid sense of quality, Century™ is built to sound superb, look stunning and outlast the competition - in even the toughest contact center or office environment.
 â–º Century™ is crafted with high-end materials to Sennheiser’s high standards to ensure maximum durability and design quality. Stainless steel hinges, brushed aluminum parts and Vectran™ reinforced cables are just parts of our armory when it comes to defending your headset against everyday use.
 â–º Century™ is designed for long-hours use throughout a working day – and that means everything focuses on wearing comfort: from the large leatherette ear-pads to the unibody headband construction for maximum strength at stress points to ensure a truly comfortable communications experience.
Color : Black
Wearing style : Headband
Connector : USB
Frequency response (microphone) : 150 Hz – 6,800 Hz 
Frequency response (headphones) : 50 Hz – 18,000 Hz
Microphone : Ultra Noise-cancelling
Sound pressure level (SPL) : 113 dB limited by ActiveGard®
Cable length : 2900 mm
Weight : 134 g
Speaker type : Neodymium Magnet Speaker