1、The U disk uses a USB2.0 interface, which has fast writing and reading speeds and high transmission efficiency. 2、Using for Android adapter can expand the phone memory for fast reading, transmission and storage. 3、Applicable to multiple operating systems, compatible with most USB devices, mobile phones and computers, etc., with strong practicability. 4、The U disk does not need other data cable to connect, supports plug and play, without wiring clutter. 5、Equipped with a metal hanging ring, you can string the U disk and hang it on the mobile phone, which is convenient to carry. Item Type: Flash Disk Operating System: (Above for Windows98) Support for Windows 98/Me/2000/XP/OS X 9.x/OS X/Linux2.4.x Interface: USB2.0 Support Computer: For IBM PC/iOS PC or laptop, etc. Speed: Maximum write speed 4-10mb/s, maximum read speed 10-20mb/s Application: Backup files, videos, etc. Operation: Plug and play 1 x Flash Disk 1 x Adapter 1 x Hanging Ring