nicehck x39
  1. NiceHCK X39

    NiceHCK X39

    Specification: 1. Product name: NICEHCK X39 HIFI In-Ear Earphone 2. Brand: NICEHCK 3. Model: X39 5. Impedance: 16Ω 6. Plug type: 3.5mm 7. Color:Black/Silver 8. Earphone sensitivity: 105dB/mW 9. Frequency range: 20-20000Hz 10. Shell material: Aluminum alloy 11. Cable material: Copper color is...
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