Sennheiser sound Sennheiser quality speakers deliver great acoustic performance. The pro noise-canceling microphone ensures crystal-clear conversations with teammates Approved by professionals The PC 320 is developed with – & tested by – world champion Counter Strike team m Tw. Great for long gaming sessions The open-acoustic design keeps your head cool for hours of playing. Circle Flex™ ear cups rotate the ear pads & adjust automatically to your head. Superior comfort, superb sound The PC 320 gaming headset gives you great audio & wearing comfort when you are gaming at home. Get it on This headset will rock your world with stunning Sennheiser stereo sound. Its speakers are mounted on a Sennheiser-patented Circle Flex™ system. Circle Flex™ ear pads can swivel around their base & instantly adjust to your ears & head, making the PC 320 it ideal for long hours of play. Pure cool The PC 320’s over-the-ear, open-acoustic design makes sweat a thing of the past. Now, air flows through the headset to yours ears, while built-up heat to escapes. Smart controls The volume control has been integrated into the right ear cup to give you more intuitive – & therefore quicker & easier – access to controlling the sound level. The pro noise-canceling microphone also has a smart mute function that you activate simply by raising the boom arm. It’s that simple. Light but tough The PC 320 is made from our most lightweight & sturdy materials. You can literally twist the headband 360 degrees without it braking or losing its shape. What more can you ask for in a gaming headset?