Poly SupraPlus H251 HeadsetEngineered for professionals who demand dependable, crystal clear communication, the Poly SupraPlus H251 Headset delivers a sharp, focused mono audio experience in a comfortable, over the head design. Its monaural ear cup keeps one ear open to surrounding activity, helping you stay aware of colleagues and notifications while youre on important calls or in virtual meetings. This wired headset is built for reliability, offering steady performance across