... ) real capacity 3) CE & RoHs available Model: M588Crystal and Metal usb flash drive Specifications:Capacity: 32M,64M,128M,256M,512M,1G,2G,4G ... : -20 ~ 70Humidity: 5% ~ 90%provide customize logo and color sevice.Delivery way: EMS,DHL ,AIR DELIVERY,etc.picture: Crystal and Metal usb flash drive