The DashDrive Durable UD311 USB Flash drive packs amazing capacity and USB 3.0 speed into a rugged and miniature form. Manufactured using advanced Chip-on-Board (COB) technology, the UD311 is highly resistant to damage from water and impacts. Its delicate size and gem shape allows it to stay connected to a host device for long periods of use without causing obstruction. Sometimes you just want to leave your USB Flash drive connected to your computer for days at a time. With its sleek low profile, the UD311 can stay connected for long periods of time without interfering with your other USB devices. The UD311 comes in capacities of 64 and 128 gigabytes. An integral strap hole makes it easy to carry your files with you on a lanyard, keychain, or necklace. All your friends will marvel at the gleaming exterior of this storage gem. The USB 3.0 interface implements dual-channel transmission mode to deliver read speeds as high as 85MB/sec, while retaining full backward compliance with USB 2.0 ports. The UD311 is manufactured through a special chip-on-board (COB) process, resulting in high water and impact resistance for the drive. It is engineered to be of the utmost quality and reliability, and further guaranteed by ADATA's lifetime. Suitable for use with many media appliances, the UD311 looks small and beautiful when plugged in, and will not cause obstruction with other accessories or nearby moving objects.