Descriptions:
-Metallic earhooks with perfact craftsmanship for comfort music enjoyment.
-MP3 earphones with adjustable ear-hook for secure custom fit and wearing comfort.
-Portalbe ear hooks for long time wearing comfort.
-Stereo earhook with 3.5mm plug suitable for any devices with 3.5mm jack.
-Metallic headphones with RoHs/CE available as demand.
-MP3 earphones with buyer's specifications accepted.
-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: 3.5mm stereo