SONY Walkman S780 series NW-S784 L Blue 8GB MP3 Music Player JAPAN model 0.8 x 4.2 x 9.2 cm ; 5 g Digital noise canceling function About 77 hours stamina Where can enjoy easy "karaoke mode Accessories Earpiece(1 pair each size), headphone (cable length about 105cm), USB cable (cable length about 100cm), WM-PORT cap, application software "Media Go", "WALKMAN Guide" "Content Transfer for Mac (Save the body memory) ",