1) Earbud-style headphones with 15.4mm drivers using Neodymium transducer
2) Diaphragm thickness: 6mu
3) Impedance: 16Ω
4) Sensitivity: 113 at 1kHz
5) Frequency range: 18Hz-22,000Hz
6) Distortion: <3% (1mW at 1kHz)
7) Input: Φ3.5mm stereo plug
8) Five colors available(white,pink,green,black,grey etc. )

OEM colors earphone special for iPod Nano 2ed Gen and MP3 players.
Flexible (madeof gel) ear handle, superior comfort and fit with soft in-ear cushion design.
Enhanced sound quality, outstanding bass and treble clarityGreater isolation from exterior ambient noise
Lightweight & Stylish design, extremely small and lightweight.
Ideal for use with portableaudio devices with 3.5mm earphones jack,
such as MP3, CD, DVD players and portablegame systems with 3.5mm earphones socket
Compatible with popular MP3 players, such as Apple iPod, Creative MP3, MicrosoftZune, SanDisk MP3, iRiver MP3, etc.
They are also compatible with popular portablegame systems, such as Sony PSP, Nintendo DS or DS Lite, etc.
High-quality cord provides high signal, low noise transmission