1.Storage:/4/8GB 2.Material: metal 3.Shipping : DHL,UPS,Fedex, EMS,TNT oem transformer usb:Specification* Capacity:4-8GB;* Data retention: over 10 years;* More than 1,000,000 times data encryption;* Speed rate: (formula:1MB/s= 8Mbps) Read: 148 Mbps, (18.5 MB/S) Write: 72 Mbps, (9 MB/S)* Auto-run function (optional), With bootable function; * Operating temperature: -20 to 70 degree Celsius;* ...