Slide Switch Microcassette Recorder with Voice Activation Easy one-handed control for frequent use. Cue Tone Indexing (Record) Cue Tone Index Search (Play) Cue and Review Variable Speed Playback Voice Activation Conference/Dictation Mic Switch Tape Counter LED Battery Indicator LED Record Indicator Earphone Jack Microphone Jack Size2.2x x 0.9d x 4.75h Weight5.9 oz. Batteries Required2 AAA AC AdapterSONACE30A (sold separately) Manufacturers WarrantyOne-Year - SON-BM575 - SON-BM575