Clear and powerful sound: Enjoy high-quality stereo sound for an optimal listening experience, whether music, films or games. Built-in microphone: make and receive calls effortlessly with a built-in microphone that transmits a clear and natural voice. Simplified operation: control your music and calls directly via the cable with convenient buttons: play, pause, answer, hang up and track jump. Personalised comfort: three silicone ear plug sizes are included to fit your ears perfectly and provide comfortable wearing comfort all day long. Universal compatibility: thanks to the 3.5 mm jack connection and a 1.4 m long cable, these headphones are compatible with most smartphones, tablets and other audio devices.