Alctron HE106 is a kind of multimedia earphone with rich bass, adopting 40mm driver unit, delivering clean and smooth sounds. 3.5m cable length, no matter connecting to a computer or TV it is possible. Let you enjoy from watching movies to listening to sound without any restriction at home. It offers various kinds of sound for your reference, feeling as if you were there. Specification: Transducer type： Dynamic, Neodymium magnet Transducer size： 40mm Impedance： 32 Ω ± 15% at 1KHz，Input：0.179Vrms Sound Pressure Level： 115±3dB(0dB=20μPa) at 1KHz，Input: 0.179Vrms Frequency Response Curve： 10-20000HZ Sensitivity： 95dB SPL/mW (at 1 khz) Max output power： 20mW Max Input power： 500mW Connector： Gold-plated 3.5 mm (1/8”) stereo mini jack plug with 6.35 mm (1/4”) threaded adapter Cable： 3.5m, (9.8 ft) coiled, detachable, non-PVC, Oxygen-free copper (OFC) Net Weight: 166g