I am sure you have all been in a situation were your mobile runs out of battery life? Well no more.

Just by giving this new device a shake you can determine the battery left, this is down to a liquid in the phone that make it feel blocked, and when you do the test for battery it will give you a series of sounds and vibrations.

So do not fear anymore you will never be caught short.

Check out the video below -

To read more on this device click here