... usb flash drive 2.interface:High Speed USB2.0,Compatibility USB1.1 2012 hot selling mini usb flash ,promotion gift factory directly supply with high quality ... more than 10 years 4.reading speed :8-20mbps5.writing speed :3-10mbps6.Auto-run, Space partition ... package,plastic box,poly bag,gift box .2.Delivery :3-10 business days after ... air 2012 promotion u disk pen ,usb 2.0 flash drive with factory price