1.64MB--32GB OEM usb flash drive 2.5 years warranty 3.chip: Original brand 4.CE,ROHS,FCC 5.Free sample, one color print 1. USB Flash ... Engraving 3. Technical Specification:1.Available Capacity: 128MB,256MB,512MB,1GB,2GB,4GB,8GB,16GB,32GB;2.Interface: USB 2.0;3.Operating Systems: Windows ... OS 8.6 and above;4.Transfer Rate: High Speed USB 2.0;5.Data transfer speed: 10-15MB/s for read,5MB/s ...