CLiPtec RZR545 USB3.1 3Ports Hub with Card Reader allows you to connect different USB devices to the OTG enabled Android devices and also compatible with windows based notebook USB port. The RZR545 has a built-in Micro SD memory card reader that can access the most popular memory cards and the 3 USB ports allow you to connect the mouse and keyboard to your Android device and let it be a portable PC. This combo card reader is a slim profile with only 7mm thick which can easily handle and storage Product Features USB-A Port: USB 3.1 Gen 1, transfer rates maximum up to 5.0Gbps. (Full-speed12Mbps / High-speed 480Mbps / Super-speed 5.0Gbps) USB-A Port: USB2.0 (480Mbps ; 12Mbps / USB1.1). Card Supported: Micro SD / Micro SDHC / Micro SDXC. No Device Driver Required for Hub installation, plug and play. Hot-swapping feature allows you to connect/disconnect devices without powering down the system. Product Specification Host Connector: USB-A plug Interface: USB-A to 1 port USB 3.1 (Gen 1) + 2 ports USB 2.0 + Card Reader Dimension: 104(L) x 19(W) x 7(H) mm Weight: 24g Operating Temperature: 0 to 70 °C Storage Temperature: -40 to 85 °C Operating System Support: Microsoft-Win7 (32bits and 64 bits), Win8, Win8.1, Win10 Apple MAC-Mac OS X v10.1 and later versions Attached cable Length: 10cm+/- 1cm (Not included connector)