Eaget U90 USB Flash Drive 16GB Keychain Thumb USB 3.0 Date Storage Drive Memory Stick Waterproof Shockproof Advanced UDP technology, using Gold Wire Bonding and COB(Chip on Board) packaging design for the host controller and flash chip, leading the way of new generation flash disk,High shock resistance, passed the national level test of 10 meter free-fall High shock resistance, passed the national level test of 10 meter free-fall High Speed Performance USB 3.0 Flash Drive - works with Windows ReadyBoost to boost performance and system responsiveness in Windows Vista. Full support for most PC/MAC laptop and desktop computers. Antistatic, antimagnetic, and heat resisting Hot plug and play, support USB 3.0, USB 2.0 Read Rate:30-70MB/s, Write Rate: 10-30MB/s. The transferring rate will be impacted by your hardware device. Different flash drive chipset will support different rate.