Mobile could be charged by talking too

The technology, developed by the South Korean electrical engineers, allows a mobile to be powered up as its user hold a conversation or through the background noise and even music.

You could soon charge your mobile phones as you talk if a new technology that turns sound into electricity comes into being.

The technology, developed by the South Korean electrical engineers, allows a mobile to be powered up as its user hold a conversation or through the background noise and even music.

Dr Sang-Woo Kim, who has been developing the design at the Institute of Nanotechnology at Sungkyunkwan University in Seoul, said: "Sound power can be used for various novel applications including cellular phones that can be charged during conversations and sound-insulating walls near highways that generate electricity from the sound of passing vehicles."

Stretch your smartphone battery

Simple yet useful steps that any and every smartphone user must follow in order to get the best possible performance from their smartphone.

With so much to offer, smartphones today have found their way in to the hands of almost all type of users. Be it teenagers who wants gaming, multimedia, chatting, internet or the businessman with needs for video conferencing and editing documents on the go.

But smartphones, unlike feature phones, are smaller yet powerful computing devices that require a lot of power to perform all of its functions for which its battery is the main source. 

As smartphone manufacturers try to strike the right balance between battery size and battery life, here are some tips to help you use your device to the fullest throughout the day. 

Control your display

Smartphone displays are typically responsible for using 60 per cent of battery capacity. Therefore, efficient use of the display will help you save a lot of power. 

First, reduce the display's brightness to an optimal level, and similarly tweak your phone's ambient light sensor, if it has one.