PBX and ACD operators can enjoy the comfort and convenience of Plantronics' technology with the P10 H plug prong adapter. The P10 H adapter works with your choice of Plantronics headsets so you can choose the style that best meets your application needs. Just plug the P10 H adapter into your operator console, PBX, or ACD, then plug in your headset. The P10 H adapter delivers Plantronics' famous sound quality and ease of use. Its volume and automatic gain controls let you adjust incoming calls to a listening level that's comfortable for you. Comes with handy Quick Disconnect feature and 10-foot coil cord.