computer portable plastic cover mobile phone camera sd tf high speed memory micro usb 2.0 card reader

description: this miniature usb card reader can provide you with 480 megabytes of data transmission speed, and save you the time of data transmission, so that you have more time to edit these data. you can edit image files and other data directly on the tf card instead of moving files on the computer. this tf card reader uses a usb port to provide food. you can use compatible speakers and copy music internally. micro sd has a chain, you can use the chain to hang the card on your notebook key rin