Product name: Multi-port USB3.0 high-speed hub with dual-port smart charging Product material: ABS high temperature resistant plastic material with UV treatment on the surface Product interface: USB3.0*4/5V2.4A smart charging*2 Input interface: USB3.0B type + DC 12V power interface Product power supply: 12V2.5A power adapter No pressure even full load,Independent power adapter,Equipped with 12V2.5A power adapter, work smoothly even full load; built-in current protection keeps hub and attached devices' safe. Different from traditional linear structure, compact and sleek RH4CS adopts unique Mac Pro style, which is made of high strength material and processed by high gloss lacquer finish, perfectly matching your desktops and laptops. A hub, also a charger,Two-in-one expansion,Provide 1.0 - 2.4A current to charge cellphones, tablets or other devices at full speed while expanding USB3.0 port. Fast transmission, no more wait,RH4CS, whose transfer rate of Super Speed USB3.0 is up to 5 Gbps, easily syncs mass data, setting aside more time for work. Easy to charge,No need charging adapter,RH4CS is equipped with 2 charging port which provide 1.0 - 2.4A current, so that you needn't stop your work or movie to find adapter while cellphone or tablet is out of juice, just plugging the cable then charge is done. Multiple systems supported,RH4CS can work with Windows XP / 7 / 8 / Vista, Linux, Mac OS and other major systems on the market, reliable and backwards compatible. package： 1 x USB3.0 HUB Note: 1. Please Allow 1-3cm Differs Due To Manual Measurement. 2. Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Please refer to the actual product.Thanks For Your Understanding. Multi-system compatible, plug and play without driver.