In an era where multitasking is a basic requirement, single-screen limitations have become a serious productivity bottleneck. Traditional multi-display setups are often constrained by limited interfaces, complicated drivers, and cable clutter, making it difficult to achieve a smooth experience. Our single-cable display expansion solution is built on the advanced Mi8802 video bridge and a USB 3.2 Gen2 architecture. With only one USB connection, it can simultaneously drive one to four monitors with 60 Hz 1080P output and broad compatibility across Windows 10 and 11, Android 10 and above, and the full Mac lineup including Intel, M1, M2, M3, and M4 platforms. The solution also integrates 15 W intelligent reverse charging, achieves bandwidth utilization of up to 95%, and keeps data transmission latency below 16 ms. This delivers a multi-screen experience that is both powerful and simple for gamers, finance professionals, and enterprise users alike.