Kavolen OTG USB memory stickFEATURE1 Fashionable design, easy to carry. Compatiblewith all smartphones and tablets with OTG function.2 Easily transfer and share photos, videos,music and other files between computer and smartphone.3 Suitable for document viewing in allmajor file formats Kindly Reminder1 1 year free after-sales service, we willtry our best to solve all problems.2 All Kavolen products are produced andinspected under strict quality inspection3 Before inserting the photo memory drive,please remove the protective cover of the mobile phone first, in case the photomemory drive interface and the mobile phone interface cannot be fully touched,and the mobile phone cannot recognize the photo memory drive4 Since some mobile phones do not supportthe large format of EXFAT, we will convert the memory stick to FAT32 format ina unified manner. The file transfer in FAT32 format should not exceed 4GB at atime. If you need to transfer large files, you can change the memory stick toEXFAT format.About Actual Capacity The actual capacity of flash memoryproducts is different from the standard capacity, because the conversion unitused by the flash memory factory is different from the conversion unit of thecomputer system. The flash memory manufacturer uses 1000 as the conversionunit, that is, 1GB=100MB, and the computer system uses 1024 as the conversionThe unit is 1GB=1024MB. In this way, the capacity of the U disk recognized bythe computer is less than the nominal capacity of the U disk manufacturer, andthe actual capacity is about 90% of the marked capacity.128GB actual capacity is 117GB256GB actual capacity is 234GB512GB actual capacity is 461GB Ifyou have any questions, please feel free to contact the support email at,Wewill reply with 12 hours in most cases.