Specification : - SD/TF card double card slot and USB port - High speed USB 2.0, transmission speed up to 480Mbps - Type-C, Micro-USB, USB Interface for the tablet, PC, Mobile Phone and for Macbook - Dual Card Slot SD/TF - No need to install drivers, flexible, plug and play - Compact and lightweight, easy to carry Support usb2.0 - Powered by usb connection cable - No external power required - LED Light clew read and write state - Full plug & play and hot swapping support, high-speed data transfer - Convenient for carrying, antiseismic, high temperature resistance - Support: Win98/ME/2000/XP/Mac OS