... optional, meets personal favorites very well14) usb flash drive daily output: 20Kpcs Product Specification Capacities:64MB,128MB, ... 256MB,512MB,1GB,2GB,4GB,8GBFeatures:Capless switch-style designTransfer Rate:Hi ... : Storage Capacity:64MB,128MB,256MB,512MB,1GB,2GB,4GB,8GBColor:Blue,green,transparentMaterialPlasticInterface:Hi Speed USBCompatibility ...