GENUINE and ORIGINAL Packing same as Pictures.

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Standard type that it is easy to hear.
Contact resistance is small, gold-plated plug strong in aging.
Volume with slide that can adjust the volume at hand.
Earbud (both ears type) with volume.
Model dynamic
Driver φ9.2mm
Output sound pressure level 102dB/mW
20 ~ 20,000 Hz frequency band playing
40mW maximum input
Impedance 16Ω
(The code is excluded) about 4g mass
Gold-plated plug φ3.5mm monaural mini
Code 3.5m