USB 3.0 Hub, atolla 4 Ports Super Speed USB 3 Hub Splitter with On Off Switch with 1 USB Charging Port (Cable Length 2 Feet, No AC Adapter) (4-Port hub) USB 3.0 4 ports super speed hub for computer/notebook. Drive free, supports: Windows (XP/Vista/7/8/8.1/10), Mac OSx(10.x and above), and Linux. The built-in intelligent USB charging port (2A/1A), has an intelligent auto switching chip. Multiple USB 3.0 interface supports plug and play, hot swap, easy to use and carry. USB 3.0 ports support super speed(5Gbps) transmissions, are downward compatible w/USB 2.0/1.1 devices. With LED indicator for power status, supports over current and instant current protection, protect the connected devices and itself . SuperSpeed Sync and Dynamic FastCharging: Extend 4 more USB 3.0 Ports + 1 Fast Charger Port (up to 2.1 Amps) Unplugging-Free: Individual on/off switch turns off port whenever you don&#039;t need it. Vertical USB Port provides additional space for &#034;fat&#034; USB devices and plugs Nice Design, Solid Built with a strong cable of 26&#034; length. Provide one 5V DC port for an additional power adapter.