The new second-generation dreamcast host SD card adapter, with higher quality workmanship, solves the short circuit problem caused by manual soldering, and extends the service life. At the same for time, it is equipped with a Disk with DreamShell_boot_loader. Features: 1.Support TF card and SD card 2.Plug and for play,convenient to use 3.Includes high-quality Booter Loader Disk 4.LED status indication, easy to grasp the running status 5.for Sega Dramcast host Instructions: step1:Format the TF card or SD card file system to Fat32 format step2: Put dreamshell 4.0 for DS 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 for DC host interface, and then boot it to load note: The TF card and SD cannot be put into the adapter at the same for time, otherwise the consequences will be at your own risk. Package includes: 1 x for DC SD TF Card Adapter with a Disk