Offers 4 USB ports, USB 3.0 hub, attractive and user-friendly design. Built-in short-circuit and overcurrent protection device. Uses high-quality electronic components to ensure stable operation. Your computer will automatically detect and install it; no drivers required, just plug and play. Compatible with: Windows 95/98/ME/2000/XP/Vista, Mac 8.6 or later. There may be a slight variation in measurements due to manual measurement. Please ensure this is not a problem for you before purchasing. The color may vary slightly due to differences in monitor displays. Please note that when purchasing, your shipping address must be correct. If your shipping information (such as name, street, house number, absence of name on the doorbell/mailbox, or other information) is incorrect, the order will not be delivered successfully.