 Due to the phone itself being music centric, the Xperia E1 includes a dedicated Walkman button found atop the phone that controls the Walkman application and a shaking gesture that handles track navigation.It also includes a speaker capable of producing sounds up to 100 decibels.The Xperia E1 comes with Sony's stock Android 4.3 (Jellybean) with some notable applications additions such as Sony's Media applications (Walkman, Album and Videos).