Simulate the phone's physical volume keys on the screen. Assistive Volume Button shows the volume buttons on the edge of the screen which simulates the volume control functionality of the phone's physical volume keys. Volume buttons can be moved on the screen to be placed anywhere on the side edge. You can customize buttons and sliders. Change the size, color, transparency, style such as iOS, MIUI and more. PREMIUM FEATURES Very useful premium features which can also be activated by watching