The HA212 is perfect for use in the office at school or for on-line conference calls. The headset features an adjustable headband and soft foam ear pads for comfort. Additionally it features a noise-cancelling microphone that rotates 270 and can be used on either side. The headset connects through a single 3.5mm connector simply plug and play.&lt;br /&gt;&lt;br /&gt;- On-Ear Stereo (Binaural) Design&lt;br /&gt;- Ergonomic Adjustable Headband&lt;br /&gt;- Noise-Cancelling Omni-Directional Microphone - 270 rotation for use on left or right side&lt;br /&gt;- 1.8 m (70.8&quot;) Cable with wrap&lt;br /&gt;- Perfect for Office Home or Educational Use