BYEASY USB Hub,USB Splitter for Laptop, USB 3.0 Hub,Multi USB Port Expander,Fast 4 in1 USB HUB: BYEASY USB hub easily add 4 USB 3.0 Superspeed ports to your PC and capable of transferring data at speeds of up to 5Gbps, enough to transfer an HD movie in seconds Features USB Hub: Instantly add four USB 3.0 ports to iMac, Macbook, Mac Pro/mini, Surface Pro, XPS, Notebook PC, Mobile HDD and More. Note: This hub support output max current to 900mA and it is not recommended to use the USB3.0 port to charge the device Ultra Slim Advanced Chipset: Advanced chipset with good thermal design, will not heat even if used for long time High Speed Data Hub: Supports Transfer Speeds up to 5Gbps (USB 3.0), 480Mbps (USB 2.0), 12Mbps (USB 1.1). Note: This hub support output max current up to 900mA.So some HDDs that need curent more than 900mA need extal power adapter Great Compatibility Laptop: Compatible with Windows 10/8/8.1/7/Vista/ XP and Mac OS X, Linux and Chrome OS. ( The USB 3.0 Hub Reverse Compatible USB 2.0 and USB 1.1.) Simple to Use: No Installation, Plug Play. What You Get: BYEASY Durable 4 Ports USB 3.0 Hub, User Manual, 30-day money back, our worry-free 18-month warranty and always friendly customer service. If you have any questions, please feel free to contact us Fast and Free Shipping You're already purchasing the item. Why pay additional for shipping, especially slow shipping? We get your order shipped out within 1-business day and delivered to your doorstep as quickly as possible. Competitive Pricing With our dynamic pricing model, our prices are always competitive. Our prices are some of the lowest that you will find on the internet. Rest assured that you're getting a good deal when purchasing with us. 30-day Money Back Guarantee We are committed to making sure that you leave this transaction satisfied. If you're unhappy with the product for any reason, you may return it back for your money-back or a replacement within 30 days. No questions asked!