Descriptions:
-MP3 earphones with adjustable plastic ear hooks.
-Earhook shape is good to hold well on your ears.
-Flexible ear hooks spring back to original shape when you change the shape.
-3.5mm earhooks with great earbuds and not deep into the ear.
-Headphones with RoHs/CE available as demand.
-Stereo headset with 3.5mm plug compatible for MP3/MP4 and any devices with 3.5mm jack.
-Ear hook headset 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