House of Marley Uplift Grand In Ear headphone built with FSC Certified wood and recyclable aluminum, long-lasting plaited cable insulation, frequency 18 Hz- 20.000 Hz, impedance 16 ohms, efficiency 98 dB, 8 mm driver, dynamic micro speaker with neodymium magnet for sound reinforcement, micro with three keys ( + and - just works with Apple- Products), weight 6 g (without cable), cable with ca. 1,30 m length and 3,5 mm mini-jack, incl. three different sizes of ear tips, color: black/gold