Warranty & Support: We are professional at thumb drive, every piece was tested before delivery. We can provide a 30-day refund guarantee 12-month warranty, letting you buy with confidence. Compatibility: KEXIN 64 GB USB Flash Drive is compatible with Windows 98 Second edition/ NT/ ME/ 2000/ XP/ 7/ 8.1/ 10 and above, it is also compatible with Linux and Mac OS 10.3 and above. The USB stick is compatible with USB 3.0, and backward compatible with USB 2.0/1.1. USB 3.0: Class A chip and the superior performance of USB 3.0 are essential storage solutions, with transfer speeds up to 5 times faster than standard USB 2.0 flash drives, making it suitable for schools, businesses, or everyday storage of digital data. No Need To Install Any Software: The USB drive was compatible with PC, Laptop, TV, Car, Audio, etc. KEXIN memory stick supports any digital data, such as music, video, photos, movies, manuals, software, etc. Capacity: Meet your needs for daily use at work, school, home, or traveling for photos, music, videos, file storage, and transfer. For each 64 GB, you could store 23 Hrs of Video (1080P/ 6Mbps), or 20,000 Photos (10MP/ 3 Mb), 15,000 Songs (4 Mb), or 150,000 + Office Word doc (400 Kb).