From Sega Retro
|Manufacturer: King-Wei Electronics
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The KW-505 is an unlicensed Sega Mega Drive clone console manufactured in Taiwan. Occasionally appearing in parts of Asia, it is loosely modelled on the original Mega Drive design, though makes a number of changes to create a unique look.
Only known version is Speedy Boy TW-168 a successor of KW-501 version of Speedy Boy, which originated from 8-bit Speedy Boy TW-200 clone console.