Blue Adjustable Circumaural Over-ear Earphone Stero Headphone 3.5mm for Ipod Mp3 Mp4 Pc Iphone Music Unit is high-fidelity .This is one of music headphones simultaneous Particularly enhanced bass. It can bring good effects of the game and movie. Use environmentally PVC material,the product is reliable and durable. It can be folded. It is easy for carrying Invisible headset easy to use