I got the X7 model and love it!
Not a complaint, but pressing the bump on the cartridge took me way too long for me to figure out.
Perhaps include it in the features listed or include a demonstration in the video?
Features:
Max ROM size: 8MByte
Max SAVE RAM size: 128KByte
Save States function and In-Game menu function (press down on the bump on the cartridge)
Isolated RTC function. "Isolated" means that multiple games can use RTC without interference. Each game will have own copy of time
Instant loading
Low power consumption
High quality 4-layers PCB
GameGenie cheat codes
Soft reset to menu (press down on the bump on the cartridge, and select from the menu)
Supported mappers: MBC1, MBC2, MBC3, MBC5
SDHC/SDXC support
Compatible with all systems which supports GB and GBC cartridges, including Super Game Boy*
OS supports up to 1000 files per folder