5Gbps Fast Sync Speed Transmit data via USB at up to 5Gbps, fast enough to transfer an HD movie in seconds. No more waiting when sending or receiving important files. To ensure max USB 3.0 speed, confirm that you connect this hub in your computer's USB 3.0 ports. USB 3.0 Ports Expansion Turn one of your computer's USB ports into four. 4 port usb 3.0 hub can be connected at the same time. White LED to indicate the working status of this USB 3.0 hub. Stable and Safe Multi shielding to ensure stable transmission, no interference, and no delay. Over-voltage, over-current protection, ensure the safety of your data and devices. Universal Compatibility(Partial List) Compatible with all Windows, Linux, Mac OS system USB 3.0 ports are backward compatible with USB 2.0, 1.2 and 1.1. Work with most USB devices, such as hard drive, USB headphone, USB microphone, DVD player and more. Notes This usb 3.0 hub 4 port is designed for data sync only, not for charging. The micro USB cable to power this hub or extension cable to extend this hub should be shorter than 1M. 2.4GHz wireless devices, MIDI devices and some USB 3.0 devices may not be supported. To ensure high performance for HDD, SSD and other power-hungry devices, extra main power is needed. (Power adapter and power cable sold separately). Package Contents 1 x 4 Ports USB 3.0 hub 1 x User Manual