The CS system features the lightest DECTâ„¢ headset on the market, a streamlined design and improved performance all with the same reliability for hands-free productivity that has made the CS family a best-seller for nearly a decade. With one-touch call answer/end, vol+/-, and mute, manage calls from up to 350 feet from the charging base. The CS500 system also enables you to conference in up to three additional headsets for easier collaboration and guest headsets can subscribe to a base by simply docking the headset. Use with Electronic Hook Switch Cable or Handset Lifter to remotely answer/end calls.