Maxchange USB 3.0 Flash Drives,Waterproof Dustproof & Shockproof - Premium Metalic ,Silver 1.Ultra High Speed: USB Flash Drive 3.0 with dual micro and USB 3.0 connectors,fast USB 3.0 interface, enabling super speed data transfer- up to 140 MB/s reading speed, backwards compatible with USB 2.0. 2.Fashion Design: Maxchange innovative unique fashion design, thumb size, light weigh, simple use.100% sealed UDP kernel design combined with integrated appearance,Super versatile compatibility. 3.Advanced UDP Flash Chip: Advanced UDP flash chip and high quality sealing technology ensures its waterproof/ dustproof/ anti-static/ anti-magnetic / high temperature Resistant. 4.High Compatibility:Support windows 7 / 8 / 10 / Vista / XP / Unix / 2000 / ME / NT Linux and Mac OS. 5.Warranty: 12-months warranty and friendly customer service.