The TP-LINK TLWN725N 150Mbps Wireless N Nano USB Adapter is a black dongle with a maximum downstream data rate of 150 Mbps. It allows for wireless connectivity through USB, making it easy to set up and use with various devices. This model from TP-LINK is designed for home networking and connectivity, providing a reliable and fast wireless connection for computers and tablets. Made in China, this adapter offers a maximum wireless data rate of 150 Mbps, ensuring seamless and efficient internet access.