Bandai SwanCrystal


 

I have the main unit (CIB).

 

type handheld game console
country Japan
year 2002
os woderswan
cpu NEC v20 16bit
speed 3.072 MHz
ram 512 KB
rom max 512 MB
graphic LCD TFT 2.8″ 224×114
colors 241 / 4096
sound 4 channels with
earphone, mono speaker
battery 1*AA, 15 hours
ports cartridge, ext. port

 

Wikipedia