A4tech Fstyler FH200U Conference USB Over-Ear Headphone

DSP Stereo Equipped with DSP (Digital Signal Processing) stereo chipset to reduce the unwanted background noise and offer clear, crisp audio performance. 50mm Speaker Unit High-precision 50mm speaker unit provides crystal clear sound. Dual-Support Headband Unique dual-support headband adjustable comfort for personal preference. Bulit-in Metal Headband Bulit-in metal headband avoids deformation and provides strength and durability. Ergonomic Soft Leather Ear Pads Over-Ear soft leatherrette ear pads feature environmental noise insulation and comfortable fit. Noise Cancelling Unidirectional Mic. Built-in unidirectional microphone which can be twisted discretionarily, picks up your voice loud and clear. Reduces unwanted background noise for clear conversation. Adjustable Volume Control Knob Volume knob on the headphone housing for convenient control.