Mini usb flash disk,swivel usb driver JD-ss111 Specification: 1.Product material: rubber and plastic 2Dimension:48*18*6mm 3.Package dimension:108*137*15mm 4.Net weight of product:4.9g Gross weight:21.5g 7.High reading and writing transfer rate(1GB):11650/5030 High (2GB):19893/9883 If you are interested in our products,you can contact me!   Emily