IP3818B Features 3.5 mm plug in-ear earphones Designed with a volume control button Attaches with a 1.25 m flat cable Conveniently enjoy music and videos at anytime General Specs Brand & Model GENIPU GNP-83  Type In-ear earphones Microphone N/A Driver Diameter 15 mm Max. Input Power 100mW Sensitivity 116dB S.P.L at 1Kz Impedance 32ohms Frequency Response 18-20000Hz Plug Standard 3.5 mm Cable Length 1.25 m Compatibility iPhone， iPod， iPad and other 3.5 mm port digital devices Package Details Weight: 53.50 g Size: 16.5*9.3*2.5 cm Package Includes * GENIPU GNP-83 3.5 mm In-ear Earphones with Volume Control for iPhone， iPod