Designed with the same high-quality as their speakers, Edifier has created an affordable earphone that will leave you speechless. At a low cost, they still produce high quality sound with a strong bass. You'll forget you're listening to music on your earphones and not a speaker. Designed with a copper-clad aluminum wire for a lighter feel, the H180 earphone is one of the best offerings of classic earphones from Edifier with a easy to fit form factor and modern style. The H180 classic earbud style earphones are known to have a sound signature that's comparable to professional headphones that's several times higher than its price tag. The H180 produces a well balanced life-like sound that's not overemphasized nor lack in any frequency band. 10mm NdFeB unit. - Ultra-micro pore calibration technology. - Three-key wired controller. - Fashionable aesthetic. - Ergonomic in-ear design. - High quality flat cable. - Compact silicon in-ear ear-muffs to enhance low frequency. Specifications Frequency Response : 20Hz~20KHz Nominal Impedance : 24? Rated input power : 10mW Sound Pressure Level (SPL) : 98±3dB Connector : 3.5mm stereo Cable Length : 1.3m What's in the box P293 Earphone, User manual