Easy BOSSHIFI B3 Earphone Dynamic and Armature 2 Unit Wood Headphones Hifi Hybrid IEMs in Ear Earphone DIY Wooden Headset (B3) Bosshifi B3 in-ear noise cancelling headphones are handcrafted from real wood,Natural Wood Housing for Better Bass Response and Acoustic Performance Applying powerful high-performance neodymium magnet moving coil drive unit, achieving higher sensitivity and wider frequency response. With remarkable medium frequency resolving ability ,able to Identify slightest sound Changes. Precise and high audio reproduction. Super Bass exciting and engaging suitable for all kinds of music style--Pop, Rock,Country and others. With the stylish design and high-end sound quality,this earphones are designed for the latest generations of iPod, iPhone, and iPad. They work with all Androids, tablets, mp3 players, and related devices.