Game Gear Console

Game Gear, color is blue.
After replacing the batteries, operation was confirmed and the game can be played, but vertical lines appear on the screen. *See first photo.
Sound is also produced, but it is quiet even at maximum volume.
Puyo Puyo software is also included.
There are minor scuffs on the screen and body, and yellowing on both sides.
This item will be sold to those who understand its condition.