2 In 1 USB Pen Drive Inface sprayed with latex oil, and made of galvanoplastics materia Storage capacities:Memory flash 64MB/128MB/256MB/512MB/1GB (Optional) USB host interface:USB 1.1/2.0 Speed: Read:1MB(1.1)/8MB(2.0) 　　　 Write:0.8MB(1.1)/7MB(2.0) LED indicator Deft configuration, shockproof and moisture-proof No drive needed Over ten years data retention Transparent and multi-colorful Hot plug-and-play Driver: Only Windows 98/SE, Windows ME, Windows 2000/XP, Mac OS 9.X, Mac OS X, Linux 2.4.X which support USB mass storage Accessories: extension USB Cable, Manual. CD-Rom