These headphones are a combination of classic design, ambient noise isolation. It gives you premium sound quality and maximum comfort. It produces exceptional frequency response for an enhanced listening experience and creates better sound isolation and minimizes external sound interference. Compatibility iPhone, iPod, iPad, Android Smartphone and Tablet, Windows Smartphone and Tablet, MP3/MP4 Player, PC Computer, Notebook and many more portable music players which support 3.5 mm jack. Tangle-free cable Ultra deep bass Has mic and plays/pause button High-quality silicone earbuds 3.5mm jack. Speaker impedance: 32. Frequency Response Range: 20-20,000Hz, Rated power: 5mW Good bass, powerful 10mm drivers, HD clear sound, in-line microphone, play/pause your music, change your tracks and answer/end your calls.