■ High-quality stereo sound offers the best sound quality and communication quality. ■ Ergonomic retractable headband， wear comfortable clothes fit. ■ ultra-soft ear pads and meticulous， long-term use also comfort. ■ fashion colorful shell with colorful headphone cable， but also highlight the overall sense of style. ■ anti-curl flat wire， durable. ■ remote control to adjust the volume， use more convenient. ■ Internet telephony， video conferencing， interactive video games， multimedia applications， communications equipment， network chat， all language learning Be applicable.