WvvMvv USB 2.0 3.0 Hub USB Hub 3.0 Multi USB Splitter Use Power Adapter 4/7 Port Multiple Expander 2.0 USB3.0 Hub With Switch

-1- Not used for charging, it is used to provide more usb ports to transfer files.

-2- The power supply specification is 3.5 x 1.35 mm 5 V 1 A, and supports hard drives below 1TB. If your hard drive is larger than 1TB, then the power supply is not suitable for you.

-3- The power supply can solve the problem of insufficient power supply. If you need to work with a hard disk, then you should choose a power supply. Please note that please do not use more than two hard disks at the same time.

-4- The power supply can increase the USB transmission speed, and the insufficient power supply will cause the data transmission to be reduced, garbled codes, and the power supply can improve the reliability.





Features:

-1- INDEPENDENT SWITCH

Expand your computer's connectivity with this 4/7-port USB hub with individual ON/OFF switch and LED indicator to show operation status.

-2- BATTERY LIFE

Individual power switches help preserve battery life by allowing you to shut off whatever ports you don't need.

-3- MULTIPLE USB PORTS

Instantly add 7/4 (USB 3.0/2.0) ports to any electronic device by plugging it into your computer, and then connect your mouse, keyboard, external hard drives, flash drives, and so much more!

-4- EASY TO SET UP & CONVENIENCE

Takes up very little space, so it's handy as a good partner for travel, office, home and school.











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