Mix Style Stereo Headphones for Mp3 Mp4 Skull Skeleton Earphone not only dynamic, but also charming The 3.5mm Computer Headphone is suitable for MP3, MP4, PC, MD, CD or any other player which has a 3.5mm jack The Adjustable Headphone with good technology reduces noise and offer your perfect sound Easy to use, just plug it in the 3.5mm jack of your equipments and it'll work Really a good gift for yourself and your friends