... 3. Genuine Capacity 4. MOQ: 300PCS Credit Card USB Disk, Name Card USB Flash Disk, USB Pen Drive 512MB Features:| Available capacities : 1GB, 2GB, ... and 32GB| Compatibility PC or Notebook with a USB interface| Operating Systerms Windows Vista, XP, 2000, ME,98,95,and Mac OS ... 1 compatible| Compatibility PC or Notebook with a USB interface| Operating Systerms Windows Vista, XP, 2000, ME,98,95,and Mac OS ...