Aneew 64GB Metal Pendrive Dog Tag Necklace USB Flash Drive Memory Stick Novelty Dog Tag Necklace model design. Good looking. Good gift idea. Necklace included. You will enjoy it as a pendant. Easy and fast for data storage, data back-up and transfer of computer files. Supported operating systems: Windows 10/8/7/Vista/XP/Me/2000 / Mac OS X / Linux 2.6x Offer One year warranty