The USB hub is a small, light unit with multiple ports for plugging in USB devices. It is commonly connected to a USB port located on the back of a desktop computer using an extension cable. Once the hub is plugged in, the user can set it wherever is convenient, avoiding the hassle of accessing the rear of the system. A hub is also great for laptops with only one or two ports. Specification Product Name: USB 3.0 Hub Model: 4 Ports USB 3.0 Type A + 2-Port USB Charging Ports Material: ABS Plastic Item Weight: 56g(2.08 ounces) Item Dimension: 120*34*18(mm)(4.73*1.34*0.71inches) Package Weight: 290g(10.23 ounces) Package Dimension: 13.5*10.5*5.1CM(5.32*4.13*2.01inches) Maximum Charging Current: 2A High Speed: Data transfer speeds up to 5 Gbps, 10X faster than USB 2.0 (480 Mbps), which allows you to set aside less time for syncing. 6-in-1 USB Hub: There are 4 USB Data Transfer Ports, which makes it very easy to connect Multi USB devices to your PC, laptop simultaneously, such as keyboard, mouse, card reader, mobile HDD, webcam, mp3 players, usb flash drives etc. Compatibility: Compatible with USB3.0, backwards withUSB2.0/1.1 device, provides charging for Cellphone, Tablet Safety Protection:Self-protection, Anti-overload, Anti-flow function, supports hot-swapping, no installation of driver Operating System:Windows7 / 8 / 10 / Vista / Windows XP / Windows 2000 / Windows ME / NT / Windows 98 second edition/Linux/ Mac OS 10.3 and above, etc Package List 1*USB Hub 1*Power adapter ( 12V / 2A,1.2m ( 3.94ft ) ) 1*User Manual 1*USB3.0-A to USB3.0-A✓? What You Get - 1 x USB Hub, 1 x Power adapter ( 12V / 2A ) ,1 x USB 3.0 Charging Cable, 1 x User Guide & Free 12 Month Warranty and life-time friendly service support. ✓? Portable USB Port Hub - This 6-in-1 usb hub is a small and lightweight, and comes with a 100 cm Built-in cord, enough length for you to arrange your cables. it's convenient to take anywhere you go, perfect for home, office, business and travel use. ✓? Wide Compatibility - This powered usb hub is compatible with the most operating systems: Windows XP/Vista/7/8/10; MacOS-8/9/X, UNIX, Linux and offers fast plug and play installation. Every port supports Hot Plug. ✓? 5Gbps High Speed Data Transfer - The powered usb hub 3.0 extension provides up to 5 Gbps data transfer speed, which means you can transfer an HD movie in seconds, and it is backwards compatible with USB 2.0/1.1. ✓? USB 6-Port Expansion - The usb hub has 4 data transfer ports and other 2 ports for quick charging that make it easy to connect multiple USB devices to a PC or laptop simultaneously. 6 ports usb hub including 4 high speed data transfer ports, 1 quick charging port and 1 smart charging Port.