MB 660 UC

  MB 660 UC is a wireless, UC certified, adaptive ANC headset designed for knowledge workers demanding business-grade communication and pre-mium Sennheiser sound quality for maximum productivity in open offices.
 â–º By constantly monitoring your background environment for noise, Sennheiser’s NoiseGard™hybrid adaptive ANC technology seamlessly adjusts the level of noise reduction in your headset
 â–º The MB 660 wireless and wired solution in one deliver a certified, business-grade communication experience, whichever your UC environment might be
 â–º The MB 660 delivers stereo audio, and CD-quality streaming with aptX® in Sennheiser’s renowned high-quality, for your ultimate sound experience
 â–º In addition to taking noise cancellation to the next level and delivering the renowned Sennheiser signature sound, the MB 660 Series has been designed to be the ultimate business tool for maximizing your productivity
Wearing style : Headband
Impedance : Active 490 ohms / Passive 46 ohms
Connector : Bluetooth 4.2, NFC, Audio cable with answer/end button (2.5 mm and 3.5 mm jack plugs), USB cable with micro-USB connector
Frequency response (microphone) : 150 Hz - 6.800 Hz
Frequency response (headphones) : 17 - 23,000 Hz
Microphone : Digital MEMS Microphone (3 microphones)
Sound pressure level (SPL) : Max 118dB (SPL) limited by ActiveGard®
Transducer principle : Dynamic, closed
Weight : 227 g / 8 oz
Charging time : Approx. 3 hours
Standby time : Up to 15 days
Range : Up to 25 m / 82 ft (device dependent)
Battery Specification : Up to 30 hours