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. 40mm high quality Neodymium Magnet driver for superb, clear sound. Compact and portable design - perfect for travel. Soft leather ear-cup for a comfortable listening experience. Built-in stainless-steel headband cover with soft silicon strap. Specifications Frequency Response : 20Hz~20KHz Impedance : 32? Sound Pressure Level (SPL) : 103dB Connector : 3.5mm stereo Cable Length : 1.3m What's in the box H650 Headphone, User manual