The purpose of the Aceele USB 3.0 to 4-Port USB 3.0 Hub is to provide easy access to devices that have USB 3.0 ports. It is simpler to connect the devices thanks to the long cable, which also helps to prevent inconveniences like loose plugs. File sync to USB devices could be faster than ever, with data transfer speeds of up to 5 GB/s. It is easy to carry with you because of its attractive, lightweight, and practical design. Features: It supports all devices with a USB 3.0 port and has 4 USB 3.0 ports. The extremely compact design makes it simple to take, whether traveling or working on a mobile device. The USB 3.0 port can operate at low (1.5 Mbps), full (12 Mbps), high (480 Mbps), and super (up to 5 Gbps) speeds. In addition to being backwards compatible with USB 2.0 and 1.1 devices, it also functions with high-bandwidth, super-speed USB 3.0 devices. It is USB-powered; no separate power source is required. Drivers are not required. It allows plug-and-play and hot-swapping. It has built-in over-current protection in every port to guard against power surges for connected devices and your hub. Contents of packing: 1 x USB 3.0 to 4-Port USB 3.0 Hub and 1 x user manual. It has a warranty of 2 years. About us: We are a skilled factory with over a decade of research and development as well as production expertise. Our unchanging goal is worldwide recognition and complete client satisfaction.