Feature●Convert your exist headsets with Plantronic Quick Disconnect connector to USB plug headset for computer/laptop, softphone and more●Turn your deskphone headset into a VOIP softphone headset with this premium quality USB Quick Disconnect cable●Built in IC Chip for inline control buttons : mute on / off microphone, volume up / down●Plug and play, no additional software driver need●Cable Lengh is 5 Feet. Compatible with Plantronic quick dis-connector type like the H-Series Headsets, or similar style QD connector like picturedDescription