When it comes to enabling speech-driven applications and voice communications in warehouses, manufacturing plants and outdoor yards, you need a headset that is specially designed for the job. The HS2100 corded headsets are loaded with features that offer everything you need in an industrial headset - a rugged design for a superior total cost of ownership, HD Voice for unparalleled audio clarity, consumer styling, exceptional comfort and ease of use, a modular design to keep you running throughout the longest shift. Part Details: Headsets - Zebra HS2100 - Rugged Wired Headset (Behind-The-Neck Headband Left) - Includes HS2100 Shortened Boom Module and HSX100 Behind-The-Neck Headband Module