1. Plug and Play 2. With 3 USB 2.0 female headers, one USB 3.0, one TF card slot and one SD card slot 3. The transfer speed of USB 2.0 interface is up to 20-25MB/s; the transfer speed of USB 3.0 interface is up to 50-90MB/s 4. USB interface to connect keyboard, mouse, U disk, external hard drive and other USB devices to USB-enabled laptops, mobile phones and tablets (not included) 5. Support reading/writing TF card or SD card below 1TB (not included) 6. Small size, easy to carry 7. Aluminum alloy shell, fast heat dissipation and more stable performance

http://olla.gr/nk-3043hd-6-in-1-usb-male-to-tf-sd-card-slot-usb-3.0-3-usb-2.0-female-adapter/