Sony Model Bm850 BM-850 Micro cassette Microcassette * MICROCASSETTE TRANSCRIPTION TRANSCRIBING MACHINE. * unit comes with headset, footpedal, ac adapter * Adjustable speed, tone, volume, backspace, counter, speakerphone, REW, FF, stop, play, erase buttons. * Reset, Auto Stop, Tel Rec, Tape Speed (1.2/2.4), speed control buttons