The dh 878 is a featured over the head stereo headphone system using the clearsound audio technology to give great audio feedback no matter what audio applications and is the perfect partner for business mp3 or for just creating an exciting sound experience for the games the dh 878 comes with large cushioned ear cups attached to durable ergonomic adjustable headband designed to provide comfort during extended use with its built in adjustable microphone for voip applications like skype thi