Independent sub-control : each is independently controlled, and the button can be turned off when the USB flash drive is and not in use,usb splitter for computer,usb charging splitter
USB hub for desk:the USB hub solves the troubles of the computer's external interface.,hub USB splitter
USB data splitter:1 USB charging port (red port) only has the charging function, the (max) can reach 2,4a, and it needs to be equipped with a power supply,usb extension tool
USB splitter:the blue interface has , and the red interface has a red ,fast charging USB hub
USB splitter for laptop:in addition to the daily use of the computer, it can also be used with the adapter to be plugged into the socket separately, at this time, it only has the charging function,usb station