Astute-TrendZ Lightning Strike USB 3.1 Gen 1 SuperSpeed 4-Port Powered Hub Bundle &#x2714; Back to School Gear to help Stay Connected and be on your A Game! &#x2714;Need more USB accessory ports for your PC, Laptop or Tablet; Want an Expandable Hub that works with all USB specifications and most Operating systems; Require more power for peripherals needing greater than 1.5 Amps (1500mA) of power for normal operation and stable connections; Desire all the accessories needed to provide system flexibility and help eliminate work space clutter? &#x2714;This Sleek Black Compact Sturdy Lightweight Expandable 4-Port multifunction design with sensible accessory package will enhance and compliment most systems, providing you greater flexibility of application; Accessories include an A/C power adaptor, longer detachable Data-Sync and power cables with Velcro straps to help organize device cables &#x2714;.Features USB 3.1 Gen 1 technology which optimizes data transfer speeds of the host PC up to 5 Gbps and incorporates Backward Compatibility with Hassle Free Plug-n-Play Connection of old or new devices; Powered ports with individual power buttons and status LED indicators help better manage hot swapping, power consumption and charging; Power Surge Protection for devices connected to the hub, provides peace of mind &#x2714;Operating System & Power Requirements: Compatible OS Systems include Windows XP, Vista, 7, 8, 8.1 and 10, also Mac OSx & Linux; USB Power specifications meeting Industry standard USB version 3.1 Gen 1; Three Power sources available, 1.5 Amps from the host Device AC or DC power supply via or 5 Volt/3 Amps from the adapter, included and recommended for larger power hungry devices