This handheld console lets you play the classic Sega cartridges

Hyperkin's Mega 95 is a handheld console that lets you play classic games in either portable or console mode.

SEGA Mega Drive / Genesis Ultimate Portable Game Player with 80 Built-in Games

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Sega Genesis1 Consolewith 4 controllers and 8 games - Video games & consoles

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Sega Genesis console w/ original sonic retail copy - Video games & consoles

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Analogue Pocket is a modern handheld game console that plays classic games ( cartridges and all) - Liliputing

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Sega Genesis Console with 4 games ready to play - Video games & consoles