Getting the most efficient performance out of your people is the key to a profitable enterprise, & choosing a premium headset like Sennheiser Century ML series makes sound business sense: with Sennheiser HD voice clarity & built-to-last quality, your staff can perform at their best. With Sennheiser HD voice clarity & ultra-noise canceling microphone, the Sennheiser Century ML series optimizes speech intelligibility in noisy contact center & office environments.