The Sennheiser DW Office is, quite simply, the most professional sounding wireless office headset. This wireless headset includes high-end audio technology to maximize sound quality for both you and your caller. Multi-task and talk up to 400 ft. from your desk. Setting up the headset takes 4 minutes, and you can begin taking and making calls to your Customers right away. Features: Walk and talk completely hands-free up to 400 ft. from your desk Excellent sound quality like you've never heard on a telephone Answer and end calls away from your desk (with recommended ORL12 lifter) Can be worn on your ear or over your head with a headband Ultra-comfortable and can be worn all day long Easily connect to your office phone or computer! Set up the DW Office headset in 4 minutes