Product description Aiibe 64 GB Flash Drive USB Flash Drive Thumb Drive 5 Pack 64GB USB Memory Stick USB Drives for Data Storage - Black Red Yellow White Purple Specification: Capacity: 64GB Chip: Grade A original brand flash memory chip Weight: 8.7g / 0.3oz Size: 2.16"*0.74"*0.39" (L/B/H) Interface: USB 2.0 backwards compatible to USB 1.1 Colors: Black Red Yellow White Purple Write Speed: 5MB/S-8MB/S Read Speed: 12MB/S-20MB/S Operating temperatures: 32º F to 140º F (0º C to 60º C) Storage temperatures: -4º F to 185º F (-20º C to 85º C) Durability: 50,000 times read and write Package: Packed in a secure cardboard organizer box Compatibility: All brands of Desktop PC Laptop and others consumer electronic device with USB interface etc Operating System: Windows 2000/7/8/8.1/10/Vista/XP/2000/ME Linux and MacOs 10.3 and above