How can I tell the difference between USB 2.0 and 3.0 ports? To distinguish between USB 2.0 and 3.0 ports, you can look for the following visual cues: 1.Color: USB 2.0 ports are typically black, while USB 3.0 ports are often blue. 2.Symbol: USB 3.0 ports may have an additional symbol or logo next to them, usually comprising three horizontal lines, or "SS" (SuperSpeed). This symbol indicates that the port supports USB 3.0. 3.Number of pins: USB 2.0 ports have four pins, while USB 3.0 ports have nine pins. Product Characteristics * Unique wheel design, stylish appearance, suitable for various occasions. * Multi-port hub 3.0 support hot swap function, convenient and fast. * The USB 3.0 HUB Multi-Ports has stable performance to ensure the stability and reliability of data transmission. * The hub has ultra-high-speed data transmission capability to meet the needs of users for fast data transmission. * Wheel Hub Multi-Ports USB 3.0 made of environmentally friendly materials, i…