· USB distributor cable, one with red mark can only be charged (except ios devices), the other can be used to transfer data and charge, suitable for all devices· The cable of the USB data adapter can solve the problem that the USB port cannot provide enough electricity, thereby solving the problem of the low electricity consumption USB port (such as PC, hard drive, etc.)· The 3.2 Feet long USB splitter cable has a durable and flexible shell that helps your USB interface not be damaged .Simple to use, practical function, stable transmission· This dual usb splitter allows for power to be taken from 2 USB ports, such as a PC, external hard drive, keyboard,The USB Y splitter cable is commonly used in USB2.0 device, just plug and play· USB2.0 transmission speed can reach 480Mbps, and can be backward compatible with USB1.1