Comfortable to wear In-ear headphone, its earmuffs with soft and skin-friendly silicone is comfortable to wear, and can greatly insulate the sounds around you. Radiation Free Function Metal shielded wire, dual sonic concentrator, no magnetic field radiation metal cavity, and the air tube, perfectly achieve 98% Radiation reduction, suitable for various people, like kids, pregnant women, etc. Comfortable to wear In-ear headphone, its earmuffs with soft and skin-friendly silicone is comfortable to wear, and can greatly insulate the sounds around you. And the rubber pieces won't fall off easily. Perfect Sound Quality Built-in high-performance Microphone and Speaker, offering you perfect sound and clear communication effect. FUNCTIONAL Uses international standard port (CTIA), high-quality 3.5mm plug is compatible with most 3.5mm audio devices such as, compatible with iPhone 6 6Plus 5S 5 For Samsung, Smart Phones, Desktop, Notebook, MP3 / MP4, tablet, etc.