The TP-LINK AC600 Wireless Dual Band USB Adapter (Archer T2U) is a black unit with a sleek design and compact dimensions (0.7" depth, 0.3" height, 1.6" width). This adapter offers fast wireless connectivity with a maximum data rate of 433 Mbps, suitable for a range of devices. With dual-band technology and USB 2.0 port, this TP-LINK adapter is a convenient and high-performance option for enhancing your home networking and connectivity needs.