The CS70N gives you the best of both worlds in one professional wireless headset: premium audio performance and sleek, comfortable styling. Featuring a top-of-the-line, Noise-Canceling microphone for clear speech even in environments with distracting background noise, the CS70N is perfect for a wide variety of users and business environments. A stylized, lightweight behind-the-ear design is not only discreet, it is comfortable enough to be worn all day. A superior microphone and earpiece create a high-performance headset yielding great results for both traditional phone lines and IP telephony systems. The CS70N offers wireless freedom with no compromises.