Descriptions:  
-Mobile retractable earphone is very popular in resent market due to its fashionable shape.
-MP3 retractable earphone with in-ear earbud.
-Stereo retractable earphone,fashionable colors are available.
-MP4 retractable earphone with logo inprint as available.
-Stereo retractable earphone with buyer's specification accepted.
-MP3 retractable earphone with RoHs/CE available as demand.
-Package: PE bag / blister case / color box, or any others as needed. 

Specifications:
-Driver unit: Dia 10mm
-Impedance: 32ohms
-Sensitivity: 109dB+/-3dB
-Max input power: 10mW
-Frequency Response: 20Hz-20,000Hz
-Cord length:  About 75cm in retractor
-Plug type: 3.5mm stereo