?4-Ports at Same Time?:usb port hub This Aluminum USB hub can easily expand one of your computer’s USB ports into 4 port(Does not support charging). Support 4 ports to work at the same time, without any pressure, and keep the temperature in the middle range. Plug and play, no need driver, easy to use. ?user-friendly design?:usb splitter 1 in 4 out  1cm ultra slim body, small, convenient and beautiful. The user-friendly design takes into account the size of most flash drives on the market and the space between each USB port. Insert 4 flash drives at the same time without worrying about space. [Ultra-high-speed transmission]: 4-port USB splitter has an efficient 1*USB3.0, which can provide 5 Gbps stable data transmission, 3*USB2.0 and compatible with /1.0. The multi usb port is fast enough to transfer files in a few seconds. [Wide application usb multiport adapter]: usb hub for laptop QUAUTYER 4-port USB extender is suitable for various devices: USB hub for pc, laptop, PC tower, XBOX, PS4, flash drive, keyboard, mouse Label, card reader, hard disk, mobile phone OTG adapter, printer, camera, USB fan and USB cable. [Usb hub has four ports at the same time usb splitter]: This USB adapter can easily expand one USB port of the computer to four ports (charging is not supported). It supports four ports to work at the same time without any pressure, and keeps the temperature in a medium range. Plug and play, no driver required, easy to use.