Description: The USB flash drive is made of strong metal and is therefore extremly robust and durable. Compact, for ultra light, you can put it in your pocket, in your bag, in your wallet, you can also hang it on your key ring. Plug and play, no external power supply required, perfect for keeping all of your documents, videos, music and photos handy. Using USB 2.0 interface and compatible with USB 1.1, high read and write speed, low power consumption,save the data security long. Compatibility: Desktop, Laptop, Tablet, Speakers all with USB port. Operating System: for Windows 7/Vista/XP/2000/ME/ for NT, Linux and for Mac OS. Specification: Material: Metal. Size: Approx. 3.9x1.2x0.45 cm/1.54x0.47x0.18 inch. Color: Gold. Interface: USB2.0. Capacity: 1GB/2GB/4GB/8GB/16GB/32GB/64GB/128GB. About capacity display in computer: 1GB = approximately 850-950 MB. 2GB = approximately 1.7-1.9 GB. 4GB = approximately 3.2GB-3.8GB. 8GB = approximately 6.9GB-7.3GB. 16GB = approximately 14GB-15GB. 32GB = approximately 28GB-31GB. 64GB = approximately 58GB-63GB. 128GB = approximately 115GB-126GB. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. There are some differences between the display capacity and standard capacity memory products. Package Includes: 1 Piece USB Flash Drive.