thumb usb disk 16gb 1. logo printing is ok 2. 100% QC passed 3. CE,FCC, ... . Specification: usb 2.0 or usb 3.0 usb flash drive,usb,flash drive,pen drive,usb flash memory,usb flash,usb stick,usb drive,usb flash disk,pendrive,thumb ... drive,thumbdrive.usb disk,usb flash ...