y'all reckon i can power these at standard U.S. voltage? there's a short vid clip w a sticker saying E.U. 220V only here:
https://www.aliexpress.com/item/1005001833758985.html
...and this looks like the same sort of hub, whose sticker indicates worldwide voltage:
https://www.amazon.ca/16-Port-Charging-Smartphone-Rackmount-U280-016-RM/dp/B00ODDLJZA/ref=cm_cr_arp_d_product_top?ie=UTF8