【Dual Band Speed 2.4G/5.8GHz】Upgrade the built-in Wi-Fi in your laptop. USB dongle is the best solution, offering speeds up to 433Mbps (5.8GHz) and 150Mbps (2.4GHz), 5.8GHz is perfect for HD video streaming and lag-free online gaming, 2.4GHz Wi-Fi for normal use such as web browsing, music, online chat etc.