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The CC 520 binaural headset offers powerful, precise sound to both ears for maximum concentration on your calls. The sturdy construction paired with the self-adjusting wearing style makes this a great headset for all-day use.
The UI 760 is the newest Sennheiser corded amplifier. It connects to both your PC for VoIP and your office telephone at the same time (with the use of the CUIPC-1 cord). To maximize ease-of-use and efficiency, the UI 760 offers built-in microphone mute and dynamic volume control features. The sound clarity system significantly improves the sound quality of the people you speak with on the phone. This amplifier is compatible with almost every telephone system.