EP0088U Features Brings you clear sound and amazing feeling Compact design for ease of carrying General Specs Brand JBM Model MJ800 Sound Excellent super bass stereo sound Earphone Type Inear Earphones Material PPE Power 15MW Impedance  32 ohms  Frequency Response 20-20000HZ Connector 3.5 mm gold-plated audio jack Sensitivity  110DB Cable Length 1.2 m Diameter 10 mm