The roku device can use an outlet or usb port. It also makes it possible for me to not carry multiple adapters, as this has direct usb plugins. Used to replace a much larger power strip and additional usb charger.

This device isn't ul certified, which doesn't inspire confidence. The usb ports are severely underpowered. Complaints from my device of insufficient charging power.

They are great for behind furniture and getting big, bulky plugs into an outlet. I like that they are 3 prong grounded…. Used both as needed. The swivel part. Gives me more access to plug up items in my kitchen.