Sony TCM-400DV Pressman Standard Cassette Recorder Sony's TCM-400DV Pressman Standard Cassette Recorder provides clear and accurate recording. Utilize features like Double Recording Time, which enables you to record at normal speed or half the normal speed for an extended recording or dictation session, and Voice Operated Recording which conserves tape and eliminates soundless passages. Additional features include Long Battery Life (20 Hours), Playback Speed Control, a Built-in Flat Mic, a Microphone Jack, a Clear Voice Recording System, a 3-Digit Tape Counter, and One Touch Recording. Cue and Review will assist you in finding specific passages, while Sony-Matic Automatic Recording Level Control ensures the correct recording level. Sony's TCM-400DV -- the answer to all your recording needs. Voice Operated Recording (VOR) activates the recording process only when audible sound is present, conserving tape and eliminating soundless passages Hinged Battery Lid helps prevent accidental loss when changing batteries Clear Voice Sound System enhances voice quality during recording and playback, for greater clarity 3V DC-In Jack for 2-way operation using replaceable batteries or with optional AC adaptor