1*USB 3.0 & 3*USB 2.0 ---- The 3.0 port on the USB extension hub supports transfer speeds up to 5Gbps, and all ports are compatible with transfer speeds of 480Mbps (USB 2.0) and 12Mbps (USB 1.1). Widely Compatible USB Extender ---- Ultra-slim 4-port USB hub for connecting up to 4 USB devices, such as memory cards, hard drives, mice, keyboards, printers, digital cameras, camcorders, speakers, scanners, card readers, and more USB devices. Anti-Fingerprint & Portable ---- 0.27-inch ultra-thin design, thinner than a finger. The small body weighing less than 50g is highly portable. The sandblasted aluminum alloy shell resists oxidation, fingerprints, and dust, enhancing comfort and durability. Plug and Play ---- No driver or software needed, just plug and play. Built-in upgraded smart chip provides surge, overcurrent, and short-circuit protection, ensuring stable data transfer and device safety. One Machine for Multiple Uses ---- Expand 1 USB port to 4 USB ports, meeting your diverse needs simultaneously. This compact 4-port USB hub is your solution. If you have any questions, feel free to contact us.