The proliferation of mobile devices means one thing: you will have more things to charge. At home, that might not be a problem. But on the go, and not only will you find yourself in a tangle of different cables but also lost in half a dozen chargers. Enter the Mu One, a charger that proves that, sometimes, one size does fits all. The Mu One’s small and thin form belies its ability to work in almost any country and charge any device. Yes, including that power-hungry laptop.