Popular Sony model. The clear voice function provides good sound quality for its size. Uses two AA batteries. It functions fully, including record/playback, fast forward/rewind, counter, speed control, 2x mode, pause, earphone jack, and VOR (voice-activated recording, stops shortly after silence). The belt has been replaced with a high-precision one and speed adjusted. There may be scratches and dirt that are difficult to see in the photos, but it is generally clean and glossy, and has been wiped with alcohol for a smooth feel. Cassette tape recorders are still convenient, so please consider this one. As a bonus, you can choose one item from a used tape (7th photo) of either Tendo Yoshimi or Toba Ichiro, or a tape of Sen Masao or Kaori Mizumori, or test batteries, or earphones. Please contact me. If you are concerned about battery consumption, using an AC adapter is recommended. The AC-ES3010 in the 8th photo is available for 1900 yen. Can be shipped with other items. Please comment beforehand. If you have a broken tape recorder, I can repair it. Please see my profile. The following are common notes for used tape recorders: ・This is a product from 20-30 years ago. Performance may not be the same as new. Due to deterioration of parts, it is more likely to break down than a new one, so please handle it with care. ・The surface has been wiped with alcohol, but there may be stains that cannot be removed or overlooked. ・Upon arrival, insert batteries and press the play button before inserting a tape to confirm that the spindle rotates. ・If it doesn't rotate, check the pause function. Also, try new batteries (pay attention to the battery polarity). Furthermore, press each button in order, clicking them. ・Next, insert a tape and press the play button to check if the tape rotates and sound is produced. If it doesn't rotate, the tape may be the cause. ・Old tapes may not run smoothly. In that case, rewinding the tape may help. ・If the tape rotates but there is no sound, check the volume. If the pitch is off, check the 2x mode and speed control. ・If you turn up the volume too high, the sound will distort. The sound volume and quality are not comparable to a large radio cassette player. ・I have checked the main functions, but I haven't checked everything. ・If the record button cannot be pressed, the tape's record tab may be broken. ・Leaving batteries in the unit can cause leakage. Remove the batteries if it will be stored for more than a month. I have seen many tape recorders with corroded electrodes.