... MP3) 4.CE,FCC 5.Direct Factory. Cassette converter to pc,walkman,usb cassette playerWe are the professional manufacturer of all kinds ... of walkman,tape player, portable music box, cassette player, cassette to MP3 converter. Features and function ... socket If you own a USB cassette , you can :1.Rediscover your old cassette tapes on the go2.Convert your old ...