I still have a Sega Game Gear, doesn't switch on though...

Specs:
- CPU: 8-bit Z80 (3.58MHz)
- RAM: 8KB, 16KB Video RAM
- Colors: 4096 (32 on screen)
- Sprites: 64
- Sprite Size: 8x8 pixels
- Screen: 3.2" backlit LCD
- Resolution: 160x146 pixels
- Sound: 4 channel stereo