**Still covered until Manufacturers 1 Yr Warranty until May 2020 • Business grade headset weighing 96 grams • Distance to cover most offices with 350 feet of range • 13 hours of talk time to get you though the busiest days • Covering both ears allows complete focus on your caller Improve your efficiency by being mobile Has up to 350 feet of walking range from your device While talking; walk to files, reference materials, co-workers, copier… Binaural wireless headset system keeps focus on your caller Able to receive up to 13 hours of talk time Adaptive power system which boosts talk time and range Increases productivity, by freeing your hands for writing and typing Excellent sound quality allows you to hear the first time Weighing only 96 grams the CS520 fits securely for all day comfort DECT technology for better audio and eliminates Wi-Fi interference Battery is 80% recharged in 1-1/2 hours and fully recharged in 3 hours -CLEAR AUDIO: The Plantronics CS520 is ideal for loud working environments to hear and be heard crystal clear with two speakers and a noise canceling microphone. -ALL DAY COMFORT: Designed with dual speakers, adjustable headband and soft leatherette ear cushions, the Plantronics CS520 can be worn all day! -WIRELESS FREEDOM: Enjoy the wireless freedom to walk and talk on your phone calls with no cords to get in the way.