VXi 202795 Tria G Convertible Monaural Headset with N/C Microphone Convertible with three wearing styles: over-the-ear, behind-the-neck and over-the-head. Superior noise canceling eliminates background noise (up to 88 percent) and improves communication. Wideband audio (HD Voice) provides clearer conversations and greater productivity. Hearing protection suppresses sudden and unexpected sound spikes. Requires G-type QD lower cord (available separately) to connect to your phone.