2 Pack 64GB USB 2.0 Flash Drive Memory Stick Thumb Drives Swivel Design(2 X 64GB: Black Silver)

Generate a 100-character excerpt from the product description below. Return ONLY the excerpt text, without any prefixes, notes, or explanations. Example: “Compact wireless speaker with 12-hour battery life and waterproof design.” Product description:
[2PCS 64GB Mixed Colors]: DataOcean USB flash drives come with 2 colors, different colors to help you identify different content
[Metal cover rotating with keychain]:The 360° rotating design does not need to worry about losing the cap. Keychain design, don’t worry about losing the U disk
[COMPATIBILTY AND INTERFACE]:Compatible with USB 2.0 and backwards. No need to install any additional drivers to use to the flash drive. Support Win98/ME/2000/XP/Vista/7/8/10, Mac OS and Linux, support portable speakers, car speakers with USB 2.0 port
[After-sales Service]:12 month Warranty. Please contact us first for any problems with our jump drives. We will solve it as soon as possible.
[About the capacity and speed]:The available capacity: 58GB-58.5GB, exFAT is factory default drive format.Transfer Speed: writing: 7M/s-12MB/s; reading: 12M/s-25MB/s