Insten 4 Port USB Hub Charger High Speed Charging Transfer Data Station Expansion Splitter Compatible with Apple iPhone 7/7 Plus/ 6S/ 6S Plus, iMac, MacBook, MacBook Pro, MacBook Air, Mac Mini, PC This 4-port USB hub is the ideal companion for laptop or desktop computers. Great for laptops with hard to reach USB ports. Ideal USB expansion for portable use on the road or at home. Perfect for connecting USB 1.1 or 2.0 peripherals such as USB mice, USB Portable Hard Drives, USB CD-R/RW or DVD-ROM drives and USB 1.1 hubs. Allows simultaneous operation of up to four separate devices all attached to a single USB port. Color: Black. Cable length: 17.7" / 450mm. Features & Specification: Plug and Play. 4 Port USB Hub. Supports Windows Vista, Windows XP, 2000, 98, and Mac OS 8.6 and higher. Transfer Rate :up to 480Mbps. Note: This hub must connect to a computer to charge an iPhone. It is not meant to serve as a stand-alone charger. It may not power high power demand devices such as iPad.