4Port USB Expansion Hub Key benefits Add four USB ports to a computer or mobile device so you can use multiple peripherals at once. Save time and simplify workflows by connecting keyboard, mouse, USB flash drives, external hard drives and card readers simultaneously. Turn a compatible smartphone into a practical typing workstation by connecting a keyboard for fast, comfortable input. Maintain reliable data transfer and stable connections for photographers, video editors and other users who need consistent performance. What it does Expands a single USB connection into four usable ports to support multiple devices at the same time. Supports common USB peripherals: keyboards, mice, USB disks, removable hard disks and card readers. Enables a fast keyboard connection to a cellphone to improve mobile productivity and typing comfort. Compatibility and performance Works with standard USB peripherals and with smartphones that accept external keyboards and storage devices. Built to provide stable connections and consistent data transfer for tasks that require reliability, such as file transfers and media workflows. Practical applications Onlocation photo or video work: connect camera card readers and external drives to quickly import and back up large files. Mobile productivity: connect a keyboard and mouse to a compatible phone for comfortable typing and efficient onthego editing or document work. Desk setup: use a single hub to run a keyboard, mouse, USB flash drive and external hard drive at the same time without swapping cables. Who should choose this product Digital enthusiasts, photographers and video editors who require steady data transfer and multiple simultaneous USB connections. Users who regularly work with several USB devices and need a simple way to expand available ports. Product attributes Function: 4port USB expansion hub for connecting multiple USB devices at once. Compatibility: keyboards, mice, USB flash drives, removable hard disks, card readers, and smartphones that accept external keyboards/storage. Performance: designed for stable connections and reliable data transfer. Form factor: a 4port hub to increase available USB connectivity without changing existing devices. Use this 4port USB hub to consolidate connections, reduce cable swapping, and support workflows that require multiple USB devices operating at the same time.