... LocationsFront Side; Reverse Side;3Imprint Area USB Flash Drive Speciafications:1Store Capacity 128MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB,2MaterialMetal plastic3ColorsYellow ... authority, firmware upgrade, electromagnetic interference and so on USB flash drive, usb flash disk ,usb pen drive, usb memory drive,usb 2.0 ...