Size

• As of its release, Micro-USB had the smallest connectors yet for a USB standard, making it useful to cell phone manufacturers who wanted to make smaller phones.
  
  

Mini to Micro

• Mini-USB connectors are around 3 mm by 7 mm, and Micro-USB connectors are 1.5 mm by 7 mm.
  
  

Durability

• Micro-USB is more durable than previous USB connectors, allowing for longer performance.
  
  

What Does It Do?

• Like previous USB connectors, micro-USB will transfer data and power to peripherals.
  
  

What Cords Can I Use?

• Standard USB to micro-USB, mini-USB to micro-USB, and phone and PDA chargers plug into outlets and your device.
  
  

Devices

• Depending on the cords you have, your micro-USB device can connect to your computer, other peripherals and a wall socket.