Earphones with mic 3.5mm Features: Integrated microphone Enhanced dual unit dynamic headphones The ergonomic design, easy to wear. Winding preventing earphone line The enhanced built-in microphone Inline smart remote and mic on para-amid reinforce cables Sealed in ear canal design for enhanced blocking of outside noise Ergonomic ear clips for optimal wearing comfort and secure fit High frequency sound high resolution dynamic low-frequency sound & amp. Each channel consists of two pronunciation unit (bass unit, the treb