[DELIVERS ACCURATE AUDIO] Final Audio E1000 Earphones is designed with one 6.4mm dynamic driver to reproduce precise low ends and warm mids [TRANSFERS EFFICIENT AUDIO SIGNAL] Final Audio E1000 uses flexible oxygen-free copper (OFC) cable which ensure pure audio signal with reduced EMI noise [WORKS WITH VIRTUALLY ANY MUSIC PLAYERS] The low 16 Ohm impedance of E1000 allows playing at higher volumes with little need of amplifier. Compatible with Smartphones and MP3 players with 3.5MM headphone jack [ENSURES LONG LASTING DURABILITY] The E1000 is designed with lightweight and strong durable ABS plastic housing [GREAT SOUND ISOLATION] The interchangeable silicone Ear tips make it easy to find a comfortable fit and great seal