Fangrui Product Details Introduce:for Fdskey Is An Easy-to-use Famicom Home Console Emulator Based On An Open Source Project With A -rich Oled Screen Plug And Play, Hot-swap Support Completely Replaces Physical Disk Drives Write To Physical Disk And Dump Physical Disk Support Firmware Upgrade And Save Game Progress Comes With 4gb Tf Memory Card, Contains More Than 300 Games Micro-sd Supports Fat, Fat32, Exfat File Systems, And Can Add Famicom Games (. Files). Multifunctional Oled Screen, The Main Menu Includes Functions Such As Browsing Disk Images, Creating Blank Disks, Settings, Etc. Notes: While Is Writing Some Data To The Virtual Disk (saving Game Progress), Do Not Power Off The Famicom Until The Updated Rom Has Been Saved To The Sd Card. Wait A Moment Second Or Eject Virtual Disk (left Button). A Save Message Be Displayed, Do Not Turn Off The Power While This Message Is Visible. Due To Different Batches, There May Be Differences In Product Appearance, Color, And Printed Text, Which Not Affect The Use. Colour:black