1）Driver unit: 40mm Dynamic Speaker

2）Impedance:32Ω

3）Frequency Response：50Hz—12500Hz

4）Sensitivity：103dBμV±3 at 300Hz

5）Degree of distortion: ≤1%

6）Plug：3.5mm stereo pin(single ,double ,folding pin is available)

7）Logo：Customized

8）Color：Customized

9）Style: Customized