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air tube anti-radiation earphone bluetooth earphone for smart phone

  • China China  
  • Quantity Required: 1000 Piece
  • Last Updated:
    Posted on: 16 Jan 2021

  • Buying Frequency: Daily

RFQ Details

this is new technology earphone facotry in china!
our ibrain earphone is much more better than ordinary earphone:
metal shield wire+air tube = reduce radiation by up to 99.9%
main parameters:
loudspeaker:8mm 122 3dB
rated power: 1mW
maximum power:3mW
T.H.D: less than 5%
microphone parameter:4015-Pc1033-
plug:3.5mm 4p
waiting for you! we are your best choose!