?Default Forma?: exFAT is factory default format which can not support transfer files larger than 4GB. Please format the USB stick in exFAT or NTFS as you need. [Please backup your data first as it may be lost after formatting.]. ?Portability?: 360° rorating metal cover can provide efficient protection to the USB port, the capless design can avoid losing the cap. The small ring is designed for key chains or lanyards. You can take your digital world anywhere, without worrying about losing the thumb drive. ?Broad Compatibility?: The USB Flash Drive is compitable with Windows 98second edition/ NT/ ME/ 2000/ XP/ 7/ 8.1/ 10 and above, it also compatible with Linux and Mac OS 10.3 and above. USB stick is compitable with USB 3.0, backward compatible with USB 2.0/1.1. ?Plug & Play?: No need to install any software. USB drive compatibles with PC, Laptop, TV, Car, Audio and etc. KEXIN memory stick supports any digital data, such as: music, video, photos, movies, manuals, softwares,etc. ?Multiple flash drives?: 10 pack of 32GB flash drives in different colors: Yellow, Pink, Cyan. Super cost service package offered by KEXIN. The different colors help you identify the different contents. Available capacity is about 58GB as some of the capacity is used for format or other function.