USB 2.0 fourport adapter for safe and reliable USB expansion, enabling broad use with smartphones, tablets, laptops, and desktops. Four ports for simultaneous connections: expands a single USB interface into four, so you can connect keyboards, mice, printers, USB drives, game controllers, speakers, and other devices at the same time without repeated plugging and unplugging. Wide compatibility: works with printers, keyboards, game controllers, speakers, USB drives, and other USB peripherals. Suitable for use with smartphones and tablets that support USB peripherals when connected through this hub. Compact and portable design: small footprint that fits neatly on a desk or travels easily, making it convenient for home, school, or office use. Performance and reliability: USB 2.0 interface delivers stable data transfer for everyday tasks and multiple device connections, helping to reduce clutter and improve productivity. Practical use scenarios: Students and professionals: connect a keyboard, mouse, and USB drive to a tablet or laptop to boost productivity and streamline note taking, editing, or document work. Office setups: attach a keyboard, mouse, and printer or external storage to a laptop or desktop for a flexible, organized workstation. Home or entertainment: pair game controllers, speakers, and additional USB peripherals with a PC or media center for an enhanced multimedia experience.