ICZI 4-Port USB Hub with 2 BC 1.2 Charging Ports is designed to deliver convenient access to devices with USB Port. With data transfer rates of up to 5Gbps,files could be synced to your USB devices more efficiently than ever. Attractive, portable and handy designed, it’s convenient to take with you. Features: - 4 USB 3.0 ports and 2 BC 1.2 Charging Ports, and supports all devices with USB Port. - Ultra slim size, and easy for carrying when travelling or mobile working. - USB 3.0 Port supports Low-speed (1.5Mbps)/full-speed(12Mbps) /high-speed (480Mbps)/super-speed (5 Gbps). - Works with high-bandwidth Super Speed USB 3.0 devices, and is also backward compatible with USB 2.0 / 1.1 devices. - USB Bus-Powered, no additional power adapter needed. - No drivers needed. Support hot-swapping and plug-and-play. - Has over-current protection built in each port to protect both connected devices and your hub from power surges. Packing Contents: - 1 x 4-Port USB Hub with 2 BC 1.2 Charging Ports - 1 x Power Adapter - 1 x User Manual Warranty: Support 30 days free return and 2-year Worry-Free Warranty. About Us: We are a professional factory with more than ten-years’ experience in R&D and production. 100% customer satisfaction and world-wide recognition are our eternal pursuit. Please Note: - BC 1.2 charging ports do not support data transfer. - For a stable connection, if you use this hub with several high power-consumption devices, please connect to the power adapter of our hub. - 2.4GHz wireless devices, MIDI devices and some USB 3.0 devices may not be supported. Try using the host port or a USB 2.0 connection.