Enhance your gaming experience with the grx-440 advanced gaming headset. strategize and communicate with friends using the built-in microphone. Powerful 40mmdrivers deliver crystal clear sound. Soft, padded ear cushions eliminate ear fatigue during extended game sessions. Easily and conveniently control the volume directly from the headset. Need a break from the game? The grx-440 also works with most 3. 5Mmmobile/audio devices.