STREAM – AURICULARES FOLDING STEREO HEADPHONESSLEEK AND TRENDY DESIGN – FOLDABLE HEADBAND – WIRED CONNECTIVITY – SUPRA-AURAL TYPE – COMPATIBLE WITH ANY MP3 / 4 PLAYER, IPOD, SMARTPHONE …NDFEB MAGNET DIAMETER 40 MM – FREQUENCY RANGE 20-20K HZ – IMPEDANCE 32 OHM – SENSITIVITY: 98 DB – LENGTH. CORD 120CM – COLOR. BLACK