metal in-ear earphone 1.aluminium case 2.metal case mold can be customized 3 color for eabud case can be PMS matched

metal in-ear earphone

1.Transducer:6U2.Impedance:32Ω±15%3.Sensitivty:95±6dB at 1KHz,6mW,4.Frequency respond:20Hz-20KHz5.Rated Input Power:5mW6.Maximum Input Power:10mW7.PU:120CM  plug:φ3.5mm

8.Metal earbud case