Welcome to Creality 3D Printing ! Product feature: Length:48CM. Type: TF To Micro SD Card Adapter Extension Compatible with GPS, DVD, DVR, LED/LCD screen, or mobile phone Smartphone,Creality Series 3D Printer Read and write speed will not affect Note:This Extension cable don't contain the Micro SD Card Package including: 1 X TF To Micro SD Card Adapter ExtensionNote:This Extension cable don't contain the Micro SD Card. Read and write speed will not affect. Compatible with GPS, DVD, DVR, LED/LCD screen, or mobile phone Smartphone,Creality Series 3D Printer. Type: TF To Micro SD Card Adapter Extension. The SD connection Cable is available long enough for most projects.