... 2:with mic and remote 3.sample available Red In-Ear Earbud Headphones with Control Talk Earphones Headset for iPhone 4 ... YB-ER-5177 Brand new "in-ear" earphones specifically designed to fit inside the ear reducing ambient noise while providing outstanding bass ... 6mm2,impedance: 32ohm3,sensitivity:108±5db4,frequency response:20Hz-20000Hz5,plug:golden 3.5mm*4P plug6,logo available7,sample available8,with ...