[4-Port USB Hub]: This mini USB hub features 1 port USB 3.0 and 3 ports USB 2.0. turns one USB port on your laptop into four, perfectly solving the need for multiple ports on laptops in people's daily offices. [5Gbps Data Transfer]: The USB hub extender supports synchronizing data at up to 5Gbps through the USB 3.0 port - fast enough to transfer HD movies in seconds without waiting, fast and efficient. Supports simultaneous charging of up to four phones, compact and lightweight but very powerful. [Wide Compatibility]: This USB adapter works with USB 3.0 port devices and is also backwards compatible with USB 2.0. Perfect for laptops, iMac Pro, MacBook Air, Macs, notebooks, mice, keyboards, flash drives and any other USB devices. [Aluminum for Total Protection]: The USB data hub is made of aluminum alloy with fine craftsmanship and a sturdy metal housing that prevents breakage and is more durable than plastic. Provides excellent over-current, overvoltage, overheat, short circuit and other comprehensive protection. [Plug and Play, Mini Portable]: No additional drivers/software required, plug and play. This laptop USB hub is mini portable and easy to carry, ideal for your work and travel. Product Name: Four-port USB 3.0 splitter Product material: aluminum alloy shell Product Size: 85*16*8.5mm Cable length: 130mm Interface number: four ports 3.0 Packing list (available after purchasing a product): splitter x 1 Please understand that: 1. due to the long shipping time, the items may be damaged in transit, if the items appear damaged, please immediately give us a message through the official website, and then post a comment, I will solve the problem for you. 2. Due to manual measurement, the size may have 1-3cm error. 3. 3. Colors may vary from monitor to monitor.