1. for GBFLASH is a GB/ cart reader based on the insidegadgets open source project GBxCart-RW. 2. for GBFLASH uses a single-chip CH579 as the main control chip, and uses a virtual serial port to drive the analog CH340 and extend it to the PC, so that the USB2.0 transmission speed reaches the maximum. 3. It can back up game ROMs, backup/restore saved games, and write ROMs to supported flash carts. NOTE: 1. You can't overwrite an for Gameboy ,only supports Backup or restore game saves. 2. If your game saves to an for EEPROM or Flash then it 't work on any of these clone flash carts unless you patch it to use using GBATA for example. 3. games use a 1Mbit save and most clone carts only have 256Kbit or 512Kbit of so saving may not work properly. 4. For GB/ Flash Cart compatibility, check out FlashCart for the latest support. Some cloned game carts use different chip schemes, and 't that all cloned game carts only support them. Support Backup games rom to PC. Support Backup or restore game saves. Support Re-write flash carts,Relive classic games. Support firmware update. Compatible with FlashGBX GUI programs. Higher transfer speeds, read speeds up to three times faster than GBxCart RW. Supports for Gameboy, for Gameboy Colour, for Gameboy Advance cartridges with auto ROM size detection. Supports for /for Flash/for EEPROM for Gameboy Advance cartridges with auto-save type detection. Color: Transparent Material: Acrylic Package Contents: 1 x GB Flash 1 x Type C Data Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.