Superhero Cartoon USB Flash DrivesSpecifications:●Memory sizes: 128MB - 128GB●Material: PVC●Colors: See main images●Interface: 2.0●Quality: Grade A flash memory, real and full capacity●Read speed: 4 to 10 MB/S●White speed: 10 to 25 MB/SFAQ: 1. Why the real capacity is less than the said capacity from supplier?About capacity: As supplier count on 1000 while computer count on 1024 when convert from GB to MB, the real capacity on computer is about 90% of the said capacity from supplier, 4G is about 3.6G, 8G is 7.2G, 16G is about 14.4 G.Real capacity≥ the said capacity* 90%Notice: it is not original if real capacity is less than 90% of the said capacity.2. I get a 16 GB USB flash drive, SD card, TF card, why i can't copy a 6.4 GB video into the usb?The biggest capacity of a single file that using on the default FAT32 system is 4gb, if you want to store single file over than 4gb, such as high-definition videos3. Why the computer can't read the removable disk when I connect it into it?Reasons could be:●Reason 1: The USB doesn't connect computer well;Solution: Plug the USB off computer, and reconnect it to computer 10 seconds later, if still doesn't work, retry on another USB port.●Reason 2: USB function is not displayedSolution: Start your computer and set in BIOS, find the USB function and choose Enabled.4. When the usb arrive me after i make payment?Products will arrive within 3-7 days generally after payment done.Exact time depends on your quantity.