Plantronics was 79733-01 (now 79733-11) GameCom 777 Surround Sound Gaming Headset
The open-eared headset with 5.1 Dolby headset technology gives you an unparalleled audio advantage that lets you hear your opponents before you see them. Connect with the Dolby USB sound card for a true 5.1 experience. But if needed, an analog connection is also provided. Stay comfortable with a lightweight frame and specially designed earpods that redistribute pressure. When you're ready to fire off orders, unveil the hidden, noise-canceling mic boom to strategize clearly with team members. Adjust audio levels using in-line volume and mic-mute controls.