Olatec 64GB Metal Key USB2.0 Flash Drive UDP USB Memory Stick (Multi Colors: Black, Red, Silver, Blue, Gold) Data transfer speed: 12~18MB/s for read,3~6MB/s for write Longevity life time and durable to use Five Colors for OPTION: Black, Red, Blue, Gold, Silver Metal key shaped, make it portable and easy to carry 100% H2 test compliant