Panasonic RR830 Transcriber Standard Cassette - RR-830 Standard Cassette Recorder (RR 830, RR830), Speed-talk variable speech control with in/out switch and level control, Foot controller for remote review, Headset included Built-in condenser mic, LED indicators for power tape run record and quick erase 3-digit tape counter, Volume and Tone controls, Silent full auto stop, Cue and Review controls Uses standard cassette tapes, Speed-Talk Variable Speech Control with In/Out Switch and Level Control, V.S.C. pitch (0-+100%) and Speed (-15-+100%) Controls Foot Controller, Lightweight Headset, Automatic Backspace Control, 4 LED Indicators for Power, Tape Run, Quick Erase and REC 3-Digit Tape Counter This feature is most effective with voice (spoken word) recordings and should not be used during the playback of music, Silent Auto Stop, Cue &amp; Review, External MIC &amp; Earphone Jacks Cassette Type: Standard, Variable Speech Control, Automatic Backspace Control.