About this item 4 USB 2.0 Ports: Allows simultaneous connection of up to four USB devices. Data Transfer Speed: Supports up to 480 Mbps for quick file transfers. Compatibility: Works with Windows 11/10/8/7/Vista/XP and macOS. Plug-and-Play: No additional drivers or software required. Compact Design: Lightweight and portable, making it ideal for travel. Specifications Model: QUH-220 Material: Plastic (ABS) Color: White/Black Cable Length: Approximately 0.65 meters Current per Port: Up to 100mA Dimensions: Approximately 3.5 cm x 3.5 cm x 9 cm (LxWxH) ​the Quantron Quh-220 is a Compact and Ergonomic 4-port Usb 2.0 Hub Designed to Expand Connectivity for Desktops, Laptops, and Servers. It Supports High-speed Data Transfer Rates Up to 480 Mbps and is Compatible With Various Operating Systems, Including Windows, Mac, and Linux. The Hub Features Acpi Compliance, Plug-and-play Functionality, and an Optional Power Adapter Port for Additional Power Needs. Its Sleek Design and Portability Make It Suitable for Both Office and Home Use.  Thank You