TWIST World Adapter DUO

By OneAdaptr

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This universal power adapter charges your devices in over 150 countries. With two USB ports and an AC adapter for almost any plug, you can power up three devices at once. Just turn the base to find the right adapter for your country, and plug in.

  • Materials: PC plastic, metal
  • Includes two USB ports & universal AC outlet
  • Made with unique twist and release mechanism
  • Powerful, 3.4A/17W USB charging
  • Universal sockets work in over 150 countries
  • Can charge up to 3 devices simultaneously
  • Lightweight, compact design
  • Built-in fuse protection
  • Made in China
  • Dimensions: 3.4" x 2" x 2"
  • Weight: 0.35 lb.

45 Reviews (4.2 out of 5 Grommets)

Sorted by Rating

Not great

11/10/2017 by Judith

It’s large and hard to turn to correct plug. Think I’m better off with a couple of foreign plugs.


Worked Once

8/12/2017 by Lawrence

Says it works with 3 items plugged in but mine didn't. My wife had 2 phones plugged into the USB ports and when she plugged the UK hair dryer (she was in the UK) into the plug it shorted out. So now I have a very expensive usb phone charger. Not worth the price.More > < Less


Doesn't hold up!!

4/7/2017 by Carl

Purchased OneAdaptr through Grommet in Nov 2016 for international travel power needs. Good concept, easy to pack, versatile,etc. After returning continued using OneAdaptr for the same reasons.
Unit has stopped working. No longer conducts any power through the unit. Can't charge via USB ports or provide power through the standard 3 prong power receptacle.
$38 for a 6 month disposable device is not acceptable. Could have spent much less on similar devices to get at least the same duration of use.
My suggestion is to look elsewhere and/or spend less.
More > < Less


doesn't work in Ireland

11/11/2016 by Mary

I'm not an experienced traveler and was very disappointed that I lugged it from US for nothing - won't work in Ireland - It would have been helpful if the manufacturer had been upfront about the countries it WON'T work... and it's too late to return itMore > < Less


Didn't work in Scotland.

9/11/2016 by Dexter

I bought this for my wife to take on a trip to Ireland and Scotland. I had seen this and thought it would be better than a heavier adapter that we already owned. When she tried it in the hotel of her first stop, it failed to work. Thank goodness her traveling companion had one of the heavier bulky adapters or her trip could have been inconvienced.More > < Less

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Charge 3 or 4 devices at once—in 150 countries.

About OneAdaptr

Power Anywhere

When traveling overseas, charging your phone is crucial. But knowing what adapter you’ll need is almost impossible. With the TWIST, you’ll have the right adapter, wherever you are.

This universal travel adapter works in over 150 countries—just twist the base to raise the adapter you need. The TWIST can power three devices at once, with two USB ports and a universal AC outlet. The TWIST Plus has all of that, as well as a built-in Macbook charging port.

Outlet-stingy hotels were a problem for Founder Michael Ma. During a work trip, he and his coworkers used all the outlets in their rooms and the lobby just to charge up.

Michael wanted an adapter that worked all over the world and had multiple charging ports, too. Years of planning and prototypes created the first TWIST World Adapter.

This adapter lets you travel a little smarter and a little lighter—charge around the world with a TWIST.