Twinmos X3 Pen Drive 64GB USB 3.1 Gen1 Mobile DiskBrand : Twinmos Model x3Capacity 64GBInterface USB 3.1Dimensions 55mm * 17mm * 9.1mmWeight 11gmSupporting OS Windows 2000/ XP/ Vista/ 7-Mac OS 10.4 orlater -Linux Kernel 2.4 or laterProduct 1 Year WarrantyWhat's is Box :1 . Twinmos X3 Pen Drive ..