Digital Standard Player (DS1)
Digital talking book player standard model DS1.

Plays NLS (ANSI/NISO Z39.86:2002) digital talking books
Plays Daisy 2.02 digital talking books
Plays AMR-WB+, MP3, and WAV audiofiles
Has eight controls
Includes a variable speed control that permits speeding up or slowing down playback speed without changing the pitch
Is portable
Is equipped with a rechargeable battery and an electrical cord
Some controls on the Talking Book player you may find useful:

The white speed control buttons are on the top right side of the player. Press the arrow pointing up to speed up the narrator and read faster. Press the arrow pointing down to slow down playback; this may help if you have trouble understanding the narrator.
The white tone control buttons are on the top left side of the player. Narrators have a wide variety of voices, from deep to high pitched. Adjusting the tone may allow you to better hear or understand a particular narrator. It can also help when listening to older books that were originally recorded on tape.
The sleep button is shaped like a crescent moon and is located just above the large green Play/Stop button. If you press it, the player will play for 15 minutes, then automatically shut off. This comes in handy if you tend to fall asleep while listening. You can press it twice for 30 minutes, 3 times for 45 minutes, or 4 times for an hour of play.
Don’t forget the player has built-in instructions. Make sure there is no book cartridge in the player, press the red power button to turn it on, then press any button to hear how it works.
Made In Japan