Panasonic has launched Eluga Switch, its latest smartphone in the Eluga Series.The unique feature of the phone is that it is reversible and lets you speak even when the phone is held upside down. It has JBL powered 1.2W dual front speakers with Hi-Fi sound quality and dual microphones. The 3D audio technology ARKAMYS, ensures excellent tonal quality, rich bass and a natural sound, said the company. Alcatel OneTouch introduced its IDOL 3 smartphone with a similar feature earlier this year, and this smartphone looks similar to it.