?What We offer?- 1 x 4 Port USB 3.0 Hub, 1 x 5V/3A power adapter, 1 x Quick-start Guide, 2-year warranty quality guarantee. ?Compact and Portable Design?- This compact USB hub is portable enough for work and travel and comes with cable (39.37 in./100 cm), 4-port USB 3.0 hub compatible with Windows 10, 8.1, 8, 7, Vista, XP, Mac OS X (10.x or above), Linux etc. ?Individual Power Switches?- Each port on the USB 3.0 hub has its own power switch so you can turn off devices when they're not in use and each individual USB port is independently controlled and not affect each other. ?1 Smart Charging Port?- Provide up to 2.4Amps smart charging for your smartphone, tablet, and other USB-charged devices, including Android, Apple, and Samsung devices etc. ?4-port USB 3.0 Hub?- Expand your computer's USB Type-A port into four USB 3.0 ports, transfer rates up to 5Gbps to allow data to move quickly between devices. and it's backward compatible with your older USB 2.0 devices. Plug and play without driver installation.