USB 3.0 HUB: Instantly Add Four USB 3.0 Ports to iMac, Macbook, Mac Pro / mini, Surface Pro, XPS, Notebook PC, Mobile HDD, and More.Note: This hub is not for charging devices because it supports an output max current of only 900mA.Charging very slowly. HIGH-SPEED MULTI USB HUB: Data Transfer Mechanism - Specification: 4 Downstream (USB3.0 A-type) ports and 1 Upstream port. USB 3.0 specification, the Superspeed at 5.0Gbps, USB2.0(480Mbps) and USB1.1(12Mbps) Supports Plug & Play, up to 1000 times Per-port Over-Current detection and protection. The advanced design keeps optimal speeds when using multiple USB Port devices simultaneously. UNIBODY ALUMINUM HUMANITY DESIGN: Our USB HUB triangular aluminum alloy shape is more suitable for placing on the desktop, and the inclined angle is convenient for plugging, Plug 4 flash drives at the same time and don‘t worry about the space. Also the LED indicator is identifiable but is never disturbing at night. FRIENDLY DESIGN: The Usb 3.0 Hub built-in smart chip avoids overcurrent, overvoltage, short circuit and high temperature. Aluminum shell with a nice metallic finish. Compact and lightweight, perfect for traveling. WHAT YOU GET: JELIYEA 4-in-1 USB 3.0 Hub x1; Usb A to Usb A cable x1; Applicable instructions x1;With 24/7 customer service and hassle-free 12-month warranty. Please rest assured we stand behind our products and customers.