Do you know about Sound Charging Device? 😯Mi Xiaomi Mobile company introduced a new latest Technology.🤔

The most recent Mobile Company Mi xiaomi From China Introduced another framework. That is Sound charging Device. It's a Mobile charging System without Electricity.😱 

How might this System Work? 

The gadget can Work from our voice. The gadget Collected our Environmental sound and those envormental sound can be changed over into Mechanical vibration and this vibration changed over into Electrical energy and those energy charge you portable without your charger.