| Adaptive power management system for longer battery life | 
| Advanced wideband audio using CAT-iq technology for high definition voice quality | 
| Audio controls volume/mute at your fingertips | 
| Choice of narrowband mode to preserve talk time or wideband mode for clearer conversations | 
| Conference in up to three additional headsets for enhanced collaboration | 
| Convertible headset with three wearing styles | 
| Convertible headset, base and handset lifter bundle pack | 
| DECT technology provides better audio; eliminates interference from WiFi networks | 
| DECT technology provides better audio; eliminates interference from Wi-Fi networks | 
| Enhanced Digital Signal Processing (DSP) provides more natural sounding voice | 
| Featuring wireless DECT 6.0 technology to eliminate Wi-Fi interference | 
| Gain mobility - multitask hands-free up to 120 metres | 
| HL10 Handset Lifter adds remote call answer/end convenience | 
| Noise-cancelling microphone reduces background noise interruptions, ensuring great audio quality and easing listener fatigue | 
| Offers you a choice of three comfort-tested wearing options to match your personal style | 
| One touch controls for answering calls and adjusting volume | 
| Roaming range up to 350 feet for greater flexibility | 
| Superior noise cancelling microphone for precision and clarity | 
| The CS500 Series is a headset system with a 120 metre wireless range, ideal for working in busy hot-desking environments and with the ability to connect up to four headsets on a single call. | 
| Up to 6 hours of non-stop talk time | 
| Use with Electronic Hookswitch Cable or Handset Lifter to remotely answer/end calls (sold separately) |