hello this compact AIO USB Transformer is on sale for $9.99 with Coupon DGMQ4XF4
this lets you take US/EU/AU/UK plugs and gives you 4 USB outlets with a TOTAL of 3.5amp altogether and 1x 2.1amp max
also its a MINI voltage transformer 110V-660W/240V-1440W really for small things like laptops, shavers and CPAP machine
NOT for blow dryers and the like
at $9.99 its a great price w/ DGMQ4XF4