... . Genuine Capacity 4. MOQ: 300PCS Business Card USB 1GB-32GB, Plastic Visiting Card, Memory USB Flash Drive Features:| Available capacities : 1GB, 2GB, 4GB ... or Notebook with a USB interface| Operating Systerms Windows Vista, XP, 2000, ME,98,95,and Mac OS 8.6 and above ... or Notebook with a USB interface| Operating Systerms Windows Vista, XP, 2000, ME,98,95,and Mac OS 8.6 and above ...