Key features and benefits USB 2.0 hub with two downstream ports, backward compatible with USB 1.1 devices. Supports speed, full speed, and low speed devices for wide compatibility and reliable data transfer. Backflow prevention design between the hub and PC enhances data security and helps maintain a stable boot process, reducing the risk of backfeeding during power or data transfer. Compatible with common USB peripherals such as USB flash drives and USB keyboards, enabling easy expansion of your computer's USB capacity. Powered hub with an external USB power supply. This provides stable power for connected devices, enables charging of a phone, and supports reliable operation of multiple USB devices on the hub. Simple, plugandplay setup with no additional drivers required for most systems; designed to work with a range of PCs and laptops. Use scenarios Expand desktop or laptop USB capability: Connect a USB keyboard and a USB flash drive to the two ports, while the hub remains powered to ensure stable data transfer and reliable boot. Phone charging and peripheral access: Use the external power supply to power and charge a phone while attaching additional USB devices such as a keyboard or memory stick for productivity. Multidevice data transfer on the go: Attach portable storage and input devices to the hub when working from a laptop, ensuring you have sufficient power and stable connections for smooth data transfer. Note on compatibility and performance Supports USB 2.0 speed data rates up to 480 Mbps; fully backward compatible with USB 1.1 devices. The twoport HUB is designed to operate with an external USB power supply to ensure stable performance when multiple devices are connected, including charging a phone.