Plantronics CS520 2 Headsets Brand New Includes One Year Warranty Product # 84692-01 The Plantronics CS520 is an over-the-head binaural cover both ears wireless headset. The CS520 features a new contemporary headset design, premium wideband audio quality, wireless mobility, streamlined base and improved performance all with the same dependability for wireless productivity that has made the CS series a best seller. The CS520 features a secure fitting headband for all day comfort weighing 92 grams, giving you up to 350 feet 100 Metres of range to roam your office, and a battery made to last all day with 9 hours of talk time. By covering both ears with the CS520, you're able to focus on your caller and never distracted by background noise in your office. CS520 Features 1.9 GHz Cordless Headset DECT 6.0 Technology DECT™ Security certified Gain Mobility Multitask Hands-Free Upto 350 Feet 100 Meters One-Touch Call Answer / End Volume, Mute Flash Controls One-Touch Controls Energy Efficient Adaptive Power System Conference In Upto Three Additional CS500 Or Savi Headsets New Headsets Can Subscribed By Simply Docking The Headset Noise Canceling Microphone Filters Out Background Noise Voice-Dedicated DECT 6.0 Technology Eliminates Wi-Fi Interference Enhanced Digital Signal Processing DSP Provides More Natural Voice Sounds Advanced Wideband Audio CAT-iq Technology Use W/ Electronic Hookswitch Cable Or Handset Lifter To Remotely Answer/End Calls Connects To