Item specifics‎:‎ Function 1‎:‎ Ordinary U disk Function 2‎:‎ Micro SD card reader without taking the TF card out of mobile phone Function 3‎:‎ Smartphone external storage device Capacity‎:‎ 16GB Net Weight‎:‎ 4g Size‎:‎ Approx‎.‎ 2.6x1.5x0.6cm Writing Speed‎:‎ 6M/S Reading Speed‎:‎ 15M/S Operating System‎:‎ Windows 7 / 8‎,‎Windows Vista‎,‎Windows 2000‎,‎Mac OS X‎,‎ Linux‎.‎ and above Interface‎:‎ USB interface‎,‎ no drive‎,‎ plug and play‎,‎ hot‎-swappable Features‎:‎ More than 10 years data retention USB 2.0 Hot Plug & Play Compatible Fashionable and convenient to carry Earthquake proof‎,‎ Anti‎-electromagnetic wave Applicable models‎:‎ the various brand PC and compatible computers‎,‎ Macintosh‎,‎ PowerBook‎,‎ tablet PC with OTG function‎,‎iMAC or iBook‎.‎ Note‎:‎ Only Support smart phones with OTG function Mobile phone connection After the micro USB port is inserted to the mobile terminal ‎,‎the USB drive icon will appear in your phone‎,‎ which means it has been connected successfully‎.‎ Open the phone file management‎,‎and find the USB storage folder‎.‎ Click enter the USB storage‎,‎ then you can directly browse pictures‎,‎ documents video‎,‎etc‎.‎ Press the selected file for 2 seconds until the selection box pops up‎,‎then you can copy‎,‎ delete the files and so on‎.‎ Computer connection Please insert the usb port to your computer The method of operation is the same as the ordinary U disk