... 500gb,gift, promotional gift, promotional product, promotion gift, memory stick, usb memory stick, u disk, usb pen drive, novelty gift ... Relative Humidity: 20% ~ 93% 14.Capacity: 128mb 256mb, 512mb, 1gb,2gb,4gb,8gb,16gb,32gb *Portable data storage device ... Hot removable; *USB Flash Disk Password protection; Autorun*USB Flash memory Standard accessory: *External USB cable(Option); *CD-Title driver ...