Port 7 for your use: with this 7-port USB hub, you can make it instantly add 7 USB 3.0 high-speed port extensions that connect multiple USB devices to your computer or laptop at the same time.For example: keyboard, mouse, card reader, earphone, etc.Extensive compatibility, data transmission speed up to 5gbps, can transmit a high-definition movie in a few seconds.Backwards compatible with USB 2.0/1.1 devices. 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. Long cable: as long as 4ft/1.2M length build in import cable, enhanced connectivity to hub body, dispel your concerns for too short to connect to your pc/tablet. Portable Design: This compact USB hub is portable enough for work and travel , USB is used widely in each field because of its many merits, such as transmitting at a high speed, plug-and-play, and when developed, it costs less manpower and material resources7-port USB 3.0 hub compatible with Windows 10, 8.1, 8, 7, Vista, XP, Mac OS X (10.x or above), Linux etc. We Offer: 7 Port Aluminum USB 3.0 Hub with 1.2 Meter USB 3.0 Cable, User Manual, 12 Month Warranty and Professional Customer Service.