The Micro USB plug is very small: just as wide, half as tall, and twice as thick as an SD card. It allows an iPhone be connected to a Micro USB cable instead of the traditional 30-pin connector.

Here’s how they work: Micro Chargers come with a handheld charger that you plug the car into, wait a few seconds, and then launch on the floor, or on one of three tracks.

However, that doesn’t stop some users from resorting to off-brand options — like the HuffPost reader-favorite 3-in-1 charger ...

The tiny adapter plugs in to the Dock connector on an iPhone and can then be used with any charger that complies with the EU's mobile charger standard. Oddly, the adapter only lists compatibility ...

icv Micro USB Wall Charger 5V 2A Power Adapter with US Plug and Fixed Micro Cable for Samsung Galaxy S6 S5 S4 S3 S2 Si9003,S5820 N7100 Note3 Note4 Black Shenzhen LVSUN Electronics Technology Co., Ltd.

As we say goodbye to 2010, the European Union says goodbye to un-standardized phone chargers. It's been over a year in the making, but microUSB will be the standard charger plug for European mobile ...

Reviewers note that the charger is “sturdy”, “good looking”, and “high quality”. No mention of fast charging abilities, but it’s a good quality micro-USB charger that’s built to last.

For a start, the micro-USB is about half the thickness, so it supports thinner devices. More significantly, micro-USB is rated for 10,000 connect-disconnect cycles, compared to 5,000 for mini-USB.