device description:

Flash cart for SEGA megadrive/genesis

• +SEGA megadrive/genesis games supported.
• +SEGA maser system games supported.
• +32kb FRAM for game saves keep.
• +save ram data can be stored or loaded from SD card
• +saves available for megadrive/genesis and master system games
• +SD/MMC cards support.
• +FAT16 support. 2GB max partition size
• +cart can change console region, for disable regional securuty.
• +module system

SEGA flash cartridge. (via)