Thank you for viewing. SONY M-88 microcassette recorder, featuring voice-operated function, uses AAA batteries. Ultra-compact microcassette recorder. - Brand: SONY - Model: M-88 - Features: Voice Operated Recording (VOR) - Operation buttons: Play, Stop, Rewind, Fast Forward, Record - Country of manufacture: Japan The items for sale are the main unit and the dedicated case. Batteries are not included. It does not work even with batteries inserted, so it is listed as junk. Thank you for your consideration.