what adapter would work with this (for US)?

yes, this hub will come with a us ac power adapter, you can charger for you phone ,date sys for your flash drive, Mouse and Keyboard and all the usb3.0 and usb 2.0 device

Questions & Answers: Wavlink 4-Port USB 3.0 Aluminum Hub with 2.4A Fast Charging

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Wavlink
Item#: 9SIA6PF5178880
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Wavlink 4-Port USB 3.0 Aluminum Hub with 2.4A Fast Charging, Independent switch and Power Adapter, LED indicator SuperSpeed Up to 5Gbps, For MacBook Air/Pro, iMac, Windows Laptops, Ultrabooks,PCs etc

Four USB3.0 ports Super-Speed USB3.0 interface support transfer rates up to 5Gbps
LED indicators display the status of each port
The independent switch quickly and easily stops the use of U disk and other devices, avoiding the trouble of plugging and unplugging
fully-integrated/Lower-power use
Individual Switches and Quick Charge
Aluminum alloy body, Frosted Craft
Over-current /short-circuit design to protect computer safety
Support hot swapping, Plug and Play to reach user friendly

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