About TeckNet®: Established in 2005, TeckNet® is a UK based company specialising in TeckNet branded consumer electronics. After many years of successful experience with Amazon UK, we now decided to offer our products to Amazon US. Our mission is to provide the consumer with superior quality products that represent excellent value. Package Include: - 1 x TeckNet USB 3.0 10 port Hub - 1 X 12V 4A Power Adapter - 1 X USB 3.0 Cable (3 feet) - 1 X User ManualFor Apple Users: - This hub is not meant to serve as a stand-alone charger. It is not compatible with iPads or any other devices with irregular charging requirements.Mac OS X Lion 10.7.4 users may experience unstable connections due to microchip incompatibility. Where possible, we recommend upgrading your OS X to Mountain Lion 10.8.2 or later. - Apple now provides an official update for MacBook Air and MacBook Pro computers purchased in June 2012. This update improves USB 3.0 performance and compatibility and can be downloaded from the official Apple website as "MacBook Air and MacBook Pro Update 2.0." Please contact our support team if you cannot locate this update. For Windows Users: - Compatible with Windows 2003/XP/Vista/7/8/2008Power Usage Alerts: - For stable operation, devices connected to this hub should not exceed a combined current of 5V 900mAh. Do not connect it to more than one high power-consuming device, such as HDDs, certain office equipment,etc. - 2.4 GHz wireless devices, such as wireless keyboards and mouse adapters, may experience interference when placed in close proximity to USB 3.0 devices or hubs.