... 3.CE and ROHS 4.Good price,A grade flash memory,Fast shipping USB flash drive specification:Capacities:64MB, 128MB, 256MB, 512MB, 1GB, 2GB ... Data Retention 10 years Compliance RoHS/WEEE Connectivity Hi-Speed USB 2.0 Compatibility For Macs and PCs Custom Color Available ... - 11 MB/second (USB 2.0) Write Speed 2 - 5 MB/second (USB 2.0) USB Flash Drive,capacity from 64MB to 32GB,OEM/ODM service