Adam Elements iKlips DUO 64GB Lightning / USB 3.1 Dual-Interface Flash Drive - Grey Apple MFi-certified (made for iPhone/iPad/iPod) Lightning / USB 3.1 dual-interface - easily share files between iOS, Mac and PC. (iOS 8 or above / Windows XP/7/8/10 / Mac OSX) The worlds fastest read/write speed. Lightning read/write speed: up to 30/20 MB/s; USB 3.1 read/write speed: up to140/70 MB/s Top quality MLC flash memory for longer product life span and read/write speed Safe & Secure since no Internet access, your data is never sent through 3rd party servers