Professional Hifi Studio Stereo Cellphone Headphones Headset W/microphone ,Bass Omnidirectional Stereo Sound, 2.0 Speaker,for Sports Skillet hard wheat design, high sensitivity, to ensure a great user exchanges clear call quality 40mm high fidelity speakers produce deep bass for pop, rock, jazz interpretation Line is equipped with one key Mic mute, more convenient to use Ergonomic head beam design, adjustable plastic bracket Light weight headset also suitable for Sports