ORICO SuperSpeed USB 3.0 Hub with Built-In TF & SD Card Reader to 5 Gbps - High Speed External Memory Card Reader and USB Expander - Black 2 IN 1 CARD READER AND USB 3.0 HUBS - Nicely integrated TF and SD memory card reader and three USB 3.0 ports in one portable and compact size. SUPERSPEED USB 3.0 - Provides ultra fast data transfer rate of up to 5Gbps. Utilizing your USB 3.0 port to three USB 3.0 ports and TF and SD card reader. MEMORY CARD SUPPORT - Supports SDXC (up to 2TB), SDHC, SD, Micro SDXC, Micro SDHC, Micro SD cards. PLUG AND PLAY - Hot swapping USB-powered device (no external power or battery needed). SAFETY IN MIND - Built-in Overvoltage / Overcurrent / Leakage and Short-Circuit protection unit.