Multiple USB ports - 4/7 port USB 3.0 ports for the most commonly used USB devices, such as U disks, mouse, card readers, keyboards, gaming devices, MP3 players, HDD etc. Super Fast Data Transfer - Use the USB 3.0 hub to sync data at blazing speeds of up to 5Gbps, up to 10x faster than USB 2.0, fast enough to transfer an HD movie in seconds. Excellent technical design- Built-in smart chips and exclusive protection system to avoid over-current, over-voltage, short circuit and high temperature, protect your valuable data and USB devices.(Does not support charging). High Compatibility- Compatible with Windows 7, 8, 10, XP, Vista;Mac OS X and later;Linux;Unix.The USB 3.0 hub is backwards compatible with USB 2.0/USB 1.1. Control Switch - Powering each port allows each port to be turned on or off to ensure the best possible use of energy.In addition, the blue LEDs indicate the power status for each port.