Aneew 16GB Pen Drive Black Credit Bank Card USB Flash Drive Memory Stick Black Credit Card design. Can be easily put into your wallet. Size: 3.3 x 2.0 x 0.1 inches. Writing speed &gt;3MB/S, Reading &gt;10MB/S. Easy and fast for data storage, data back-up and transfer of computer files. Supported operating systems: Windows 8/7/Vista/XP/Me/2000 / Mac OS X / Linux 2.6x Offer One year warranty