2.0 3 port usb hubSuitable for mobile hard disk, U disk, card readers, mobile phones, digital cameras, high-resolution cameras, digital video cameras, and multi-channel audio, USB devices, support connecting multiple USB high-speed devices, all-speed bandwidth is stable transmission. Allows simultaneous operation of up to 3 separate devices all attached to a single USB port. More SafetySupport overload voltage and instantaneous current protection, effective protection of connected equipment and HUB itself. Compatibility and designUSB Connector Can be Rotated 90°/180° Degrees, A good usb port expander for laptop, Xbox, PC, MAC, Mac Book ect. Portable mini size, compact, light weight design,plug and play, no driver installation required. Excellent Customer Service 18-Month Guarantee friendly 24/7 customer service. If you have any problem please contact us via e-mail to solve the problem without any hesitation; Offering you a full refund or a brand new replaceme