As reported by IGN, KDDI Fx0 has a transparent casing so that the components of the smartphones looks such as circuit boards, because speakers, amplifier signal, and the battery can be seen from the outside.
Transparent casing was created by a Japanese designer, Tokujin Yoshioka to portray the image of openness, freedom, and transparency, giving rise to a characteristic of Fx0.
Fx0 uses a quad-core 1.2 GHz Snapdragon 400 and 1.5 GB of RAM. This smartphone has a screen 4.7-inch IPS HD is equipped with 8 megapixel rear camera and 2.1 megapixel for front camera.
Fx0 has been launched in Japan and is available in the market since early of January, 2015.