... :2-5 days 4.Warranty:one years Golf shape usb memory drive, promotion usb drive Main features:1) Capacity: 128MB, 256MB, 512MB, 1GB, ... 2GB, 4GB, 8GB, 16GB, 32GB2) USB Interface: USB2.0 (also ... extra power supply6) Compatible between different operating systems, Windows98/2000/XP/ME/VISTA,Mac OS 8.6, UNIX, Linux 2. ...