Product: Sennheiser MB 660 MS (507093) - Dual-Sided, Dual-Connectivity, Wireless, Bluetooth, Adaptive ANC Over-Ear Headset | For Desk/Cell Phone & Softphone/PC Connection | Skype for Business Certified (Black)
Brand: Sennheiser
Color: Black
Mobile Unified Communications: For professionals using Skype for Business who require a consistently excellent hands-free communication solution
Dual Connectivity: Seamlessly switch between two connected Bluetooth devices for maximum call handling flexibility
Worry-Free Communication: Up to 30 hours of battery time (Includes an audio cable for flawless functionality without charge)
Speak-Focus Technology: 3 digital microphones work in tandem to deliver crystal clear sound, regardless of background noise
Sound Effects Mode: Choose between a host of personalized sound effect modes (Club, Movie, Speech, Director) for sound that suits your medium

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