Expands a single USB interface to four USB ports for versatile device connectivity. Key features and benefits Flexible USB expansion: effortlessly increase available USB ports from one to four to connect multiple peripherals at once. Status indicators: equipped with a power indicator and four USB signal indicators to help you quickly assess device activity and power status. USB 2.0 performance: supports USB 2.0 with data transfer speeds up to 480 Mbps, enabling reliable communication with compatible devices. Protective design: includes an onboard 2A fuse at the input end and an onboard 2A fuse on the output USB interface, providing overcurrent protection and safeguarding connected devices. Efficient and cost effective: designed for performance with low power consumption and an affordable solution for port expansion. Compatibility and performance Designed for USB 2.0 devices and environments requiring multiple USB connections. Provides a straightforward, reliable way to add additional ports without sacrificing performance or safety. Use scenarios Desktop or laptop workstation: expand a single USB port to connect keyboard, mouse, USB drive, and a printer or camera simultaneously, improving productivity without clutter. Home theater or living room PC: attach a USB drive, remote control receiver, game controller, and audio accessory to streamline media setup. Field or portable work: connect external storage, camera, and peripheral devices to a laptop for data transfer and onsite tasks while maintaining protection against overcurrent events. Note: This description reflects the original product's functionality and specifications, including expansion capability (1 to 4 ports), indicators, USB 2.0 support up to 480 Mbps, and onboard 2A fuses on both input and output ends for overcurrent protection, performance, low power use, and cost efficiency.