SONY Electronic Dictionary DD-S30

This is a Sony electronic book player, the DATA Discman DD-S30.
The main information is as follows:
It features a 5.3-inch wide LCD with backlight.
It came bundled with electronic books containing content such as Iwanami Shoten's Kojien 5th Edition, Kenkyusha's New English-Japanese Dictionary, and New Japanese-English Dictionary.

Power confirmed.
Operation unconfirmed.
Batteries are not included.
The screen condition is not good, so please consider it as junk.

Thank you for looking.