Sports Earphones
1.Noise Canceling, Sound Lsolating,
2.Metallic Stereo Earphone
3.Environment-friendly
4.CE RoHS

Sports Earphones 

Specification of Good Mp3 Sports Earphones: 

1.Speaker diameter:φ10mm
2.Sensitivity:100db ± 3 S.P.L at 1khz
3.Impedance:32Ω
4.Range of frequency response:20hz-20, 000hz
5.Max Power:10mW
6.Wire length:1.1m ± 3
7.Pin:Stereo φ3.5mm  

Images Related with Good Mp3 Sports Earphones:

Metallic Good Mp3 Sports Earphones

Noise Canceling, Sound Lsolating, In Ear Design..