The available capacity: 57GB-60GB, FAT32 is factory default drive format, which is read/write compatible with Windows and Mac OS; while NTFS is compatible with Windows but semi-compatible with Mac OS. Please format it properly if you need. Compatible with USB 2.0. Backwards compatible with USB 1.1.Supports Windows 10/8.1/8/7/Vista/XP/2000/ME/NT, Linux and Mac OS. A unique and Thought Gift Ideaeye-catching designs looks attractive and decorative. Sweet gift for your dear family, friends or wedding clients Durable perfomance: with a function of water-resistant, dustproof, prevent high temperature, magnetic resistance and shock-resistant, make the memory sticks become a perfect data. USB thumb drive requires no setup; you simply plug it into your laptop or desktop to access or store data. It can be used to store music, photos, designs, files, movies, documents, portable programs and just about any other type of data you might have. Easy to store and easy to carry. All USB flash drives are backed up with 1 Year Warranty, Free Technical Support & Lifetime Friendly Customer Service. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!