This is a USB 2.0 A single female to USB 2.0 A dual male data cable USB splitter. The male of the USB distributor cable is suitable for any 2.0 USB interface. The female 1 (thicker cable) is only used for charging (except iOS devices), and the other can charge and transfer data. The total cable length is 0.5m, and the data transmission rate is up to 480Mbps, backward compatible with USB1.1. Simple to use, practical function, stable transmission, fast charging. The cable of the USB data adapter solves the problem of insufficient power supply from the USB port, addressing the low power issue from USB ports (such as PC, hard drive, etc.). The USB splitter cable has a durable and flexible casing that helps prevent damage to your USB interface.