Js-9978 MP3 over machine wire aluminum foil wire MP3 over

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Js-9978 MP3 headphones MP3 with machine wire aluminum foil wire MP3 headphonesGood sound quality, strong bass, OPP bag packing, available at any time;

2000 PCS/CTN. Means: 48 * 65 * 65 cm Gw: 26.5 kg s nw: 25.5 KGS

Welcome the foreign merchant to make to order!

Impedance: 32 ohms

Weight: about 12g

Earphone type: in-ear earphone

16mm of neodymium

Frequency response range: 18 -- 22,000 hz

Sensitivity: 104 dB sound pressure level at 1mW

Connection: OFC oxygen free copper wire

Total harmonic distortion: less than 1%

Sound pressure level: 119 db

Features: hanging
Welcome the foreign merchant large quantity purchase! Thanks for sincere cooperation!