The Eartec Office 710D Headset gives you a more personal audio experience, with its HD speakers giving you a crystal clear sound. The 710D has a sleek and refined Obsidian black exterior, an ultra-light weight body yet robust build. A highly sensitive Neodymium Magnet System for accurate sound reproduction and audio balance. The 700 series are all incorporated with a two tier noise cancelling system to promote your telephony experience and ultimately increase productivity in your day to day business