Fangrui Product Details 1. Support Tf Card And Sd Card 2. Plug And Play,convenient To Use 3. Includes High-quality Booter Loader Cd 4. Led Status Indication, Easy To Grasp The Running Status 5. Compatible For Dramcast Host Step1:format The Tf Card Or Sd Card File System To Fat32 Format Step2: Put Dreamshell 4.0 File And Cdi, Iso Game File Into Sd Card Or Tf Card Step3: Put The Tf Card Or Sd Into The Adapter, Then Plug It Into The Dc Host Interface, And Then Boot It To Load Note: The Tf Card And Sd Cannot Be Put Into The Adapter At The Same Time, Otherwise The Consequences Be At Your Own Risk. Applicable Products: For Dreamcast Game Console Applicable Number: Gamers Applicable Age: Over 10 Years Old Product Weight: 130g Colour:white Material:abs Package Contents: 1 X Dc Card Reader 1 X Cd Only The Above Package Content, Other Products Are Not Included. Note: Light 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.