With a mini and portable exterior, the Tenda 150Mbps Wireless Nano USB Adapter fits securely into your computer and has no effect on the usage of neighbouring ports. It contains an internal driver, which allows automatic installation as soon as it is connected to a computer. Therefore, you do not need to manually install the driver with a CD-ROM or a file downloaded from the internet. It is compatible with many operating systems to address various user requirements for wireless internet connectivity.