JetFlash 810 is a USB 3.0 memory stick with a rubber casing that provides excellent protection against shocks, splashes, dust and moisture. - Follows the US military MIL-STD-810G "drop test" standard - Fully compatible with SuperSpeed USB 3.0 and Hi-Speed USB 2.0 - Capacity: 64GB - Transfer speed (Up to): Read 80 MByte/s, write 25 MByte/s*< br /> - Size (WxHxD): 20.4mm x 63.3mm x 8.9mm - Weight: 12.9g - Lifetime Warranty - Certification: CE, FCC, BSMI - Compatible with Win 10, 8, 7, Vista, XP, 2000 - Compatible with Mac OS 9.0 or later, Linux kernel 2.4.2 or later * Note! Speed may vary depending on host hardware, software and usage.