High Quality Speakers DS501 built with two large 40mm drivers for quality audio. High quality speakers provide high, medium, and low frequency in details. Improved Noise Reduction Improved passive noise-reduction function, large size earmuffs bring less interference and more comfortable. Lightweight Comfort Extra lightweight and self-adjusting headband design provide maximum comfort for long time wearing. Fully adjustable for a perfect fit across all head size. Omnidirectional Microphone Omnidirectional microphone provides clear voice for team communication during gaming session. Remote Controller Quick access to volume, microphone, and vibration control via full function controller.