... ;3, Capacity: 512mb, 1gb,2gb,4gb, 8gb, 16gb, 32gb, 64gb;4, Data transfer speed: Read:12mb-25mb/s, Write:3mb-12mb ... is being read or written;6, Write Protection Switch;7, Service: logo printing, file preloading, auto-run, space partition, password protect ... goods, we will send by airfreight, seafreight or as required. USB Flash Drives/stick for 1gb 2gb 4gb 8gb 16gb