SHARKK&reg; USB 3.0 7-Port Hub with 1 BC 1.2 Charging Port up to 5V 1.5A, 12V 3A Power Adapter Included (7 Port) Compact and lightweight. The 7th port features BC 1.2 charging, offering quick charges of up to 1.5A to your USB-enabled devices. 7 ports delivering transfer speed of up to 5Gbps (actual rate will depend on the capability of your device). Backward compatible with USB 2.0 / 1.1. Package contents: SHARKK USB 3.0 7-Port Hub, 5V 3A power adapter, 2.7-foot USB 3.0 cable. High-grade chipset and 15W adapter guarantee steady operation. Supports plug-and-play and hot-swapping. No installation of drivers required for Windows XP / Vista / 7 / 8 or Mac OS X 10.2 and above.