Soundsoul(tm) S-018 Wood Hifi Inear Earphone (black) 10 mm full range titanium micro drivers specially tuned for wood resonance Revolutionary fusion of all-natural ebony wood (color may vary from image) and pure aluminum enclosure for unparalleled audio fidelity Housed in premium wood reclaimed from luxury furniture manufacturers Magnet type NdFeB Manufacturer Warranty:SoundSOUL