The AC-208 by Cyber Acoustics meets all your computer needs. The 3-in-1 design includes the features of a PC headset, stereo headphones and notebook microphone. Both the headband and microphone arm are adjustable for a comfortable fit to your individual head size. Adjust the volume with ease with the in-line control located on the power cord. The Direct Noise Canceling Microphone Technology (DNCT4) allows for reliable voice recognition so you will be clear and easy to understand.