1.high definition 15m neodymium drivers are optimized to produce deep bass and crisp highs.

1.Plug Diameter: 3.5mm  2.Length: PVC 1.30 m 3.Speaker impedance: 32Ω4.Sensitivity: 112db5.the frequency response: 20hz-20 khz 6.Speaker diameter: 9μ,diameter15mm 7.drive-by-wire earphone

If you are interested in our products,pls feel free to cntact me any time.We can offer you a most competitive price according to your quantity and we can offer customized designs as your requirments.

Hope to cooperate with you in the future.