This cable can be used as a data cable and a charging cable. Interfaces: 2 x USB Type-A male to 1 x USB Type-A female Supplies power to bus-powered USB peripherals Connection USB 3.0 Type A up to 900 mA - USB 3.0 Type-A connector for data and power (up to 900 mA when connected to a USB 3.0 port); the second USB Type-A connector (red) provides an additional 500 mA when required. Up to 2 x 500 mA when connected to two USB 2.0 ports.