About this item: Experience superior durability with this USB hub's all-aluminum body. The fine craftsmanship and robust metal housing protect against breakage and ensure long-lasting performance. Enjoy Fast Data Transfer with 1 USB 3.0 port and 3 USB 2.0 ports. Transfer data quickly and efficiently without waiting. This USB charger can charge four phones simultaneously, making it a powerful and convenient addition to your setup. Its Mini and Portable design makes it easy to carry and keeps your desktop clean and organized. Enjoy a more pleasant work and play environment. Hub Extensions meet the multiport expansion requirements for device charging, USB flash drives, mice, and keyboards. Product Introduction: Suitable for computers and other equipment with USB ports. The standard USB 3.0 offers a theoretical 5Gbps high-speed transmission. Effectively expands USB 2.0 multiport functionality for connecting mice, keyboards, peripherals, and charging mobile phones and other devices. Design Highlights: 1. Fine craftsmanship with an all-aluminum body. 2. Mini, portable, and easy to carry. 3. Meets the multiport expansion requirements for your devices. Performance Characteristics: 1. USB 3.0: Theoretical speed of 5Gbps (standard USB 3.0). 2. USB 2.0: Theoretical speed of 480Mbps (standard USB 2.0) to meet multiport expansion needs.