... USB flash drive 1.Reading speed: 11MB/s 2.Capacity:from 64MB to 16GB 3.USB host interface: USB spec1.1/2.0 64gb usb flash drive USB host interface: USB spec1.1/2.0 ... 64MB, 128MB, 256MB, 512MB, 1GB, 2GB, 4GB, 8 GB, 16 GB6.Custom logo printing/engraving are warmly welcomed7.Prior ... requested)8.Packing: bulk / color retail box / gift box / tin box / customized design (optional) bulk 1gb usb flash drives ...