ADATA  FLASH DRIVE 64GB. TESTED WITH FAKE FLASH AND PASSED. WITH ALL THESE FAKE FLASH DRIVES FLOATING AROUND IT IS HARD TO TELL WHAT TO BUY. BUT WITH THIS YOU NEED NOT WORRY BECAUSE IT IS TESTED FOR YOU. NO NEED TO GO THROUGH ALL THAT WORK OF TESTING IT YOURSELF. MAY NOT CONTAIN ORIGINAL PACKAGING. OR CONTAIN OPEN PACKAGING.