Descriptions:  
-Retractable handsfree earhook is very popular in resent market due to its fashionable shape.
-Retractable handsfree earphones with stereo earbud.
-Retractable handsfree earplug  with noise reduction micrphone.
-Retractable handsfree earphones with volume control inline.
-Retractable handsfree earbuds with logo inprint as available.
-Retractable handsfree earphones with buyer's specification accepted.
-Retractable handsfree earhooks with RoHs/CE available as demand.
-Package: PE bag / blister case / color box, or any others as needed. 

Specifications:
-Driver unit: Dia 15mm
-Impedance: 32ohms
-Sensitivity: 109dB+/-3dB
-Max input power: 15mW
-Frequency Response: 20Hz-20,000Hz
-Cord length: 1.2m+/-3%
-Plug type: Compatible for any mobile models as required.

Microphone specifications:
-Dimensions: 6×5mm
-Sensitivity: 58dB+/-3dB
-Frequency Response: 20Hz-20,000Hz