Go wireless and enjoy the music you love with the CS545 headset With the wireless Digital Enhanced Cordless Telecommunications technology, answer your calls remotely while multitasking around the workplace Over-the-ear earpiece design ensures maximum convenience and optimal performance Sit comfortably anywhere in your room as the CS545 offers wireless range of up to 400 ft Provides exceptional quality sound with greater immersion Electronic Hook Switch (EHS) Capable feature for better reliability and ensure maximum productivity Telephone application/usage for maximum productivity with convenience and ease Noise cancelling microphone technology ensures easy, convenient listening and talking with maximum sound transfer efficiency