`- QD (Quick Disconnect) to USB for softphones and unified communications
- The cable is used to connect ADDASOUND QD series headset to PC with USB port
- Plug-and-play for easy set-up
- Convenient call controls including call answer/end, mute, volume+ and volume -
- DSP (Digital Signal Processing) and echo cancellation allows for clear voice communications even in noisy environments
- Compatible with Microsoft® Windows 10, Windows 8, Windows 7, Vista®, XP, 2000 and Mac® OS X, etc
- Compatible with most softphones