Descriptions:  
-MP3 stylish earphone housing design with high flexibility rubber paint for wearing comfort.
-MP3 stereo earphone with adjustable  earhooks for secure custom fit.
-MP3 earphone headphone with RoHs/CE available as demand.
-MP3 earphone with logo imprint service available.
-Stereo MP3 earphone with 3.5mm plug fits directly into most devices with 3.5mm jack.
-MP3 earphone headset with buyer's specifications accepted.
-Package: PE bag / blister case / color box, or any others as needed.

Specifications:
-Driver unit: Dia 30mm
-Impedance: 32ohms
-Sensitivity: 109dB+/-3dB
-Max input power: 50mW
-Frequency Response: 20Hz-20,000Hz
-Cord length:1.2m+/-3%
-Plug type: 3.5mm stereo