"Oxygen Audio Car Sound 1” App is for adjusting the values of the sound parameters of your iPhone when it’s logged on O Car. To adjust the sound parameters: BASS/MEDIUM/TREBLE/SUBWOOFER/FADER/BALANCE of OCar.Slide your finger from right to left to increase the values of each preselected function. Slide your finger from left to right to decrease their values. The setting speed will depend on how quickly your finger moves over the iPhone’s screen.Parameters:BASS: Adjusts the bass frequencies within a range of -14 to +14.MEDIUM: Adjusts the midrange frequencies within a range of -14 to +14.TREBLE: Adjusts the treble frequencies within a range of -14 to +14.SUBWOOFER: Adjusts the level of the subwoofer output within a range of -14 to +14.FADER: Adjusts whether the sounds comes out of the front or rear speakers within a range from 14F (front) to 14R (rear).BALANCE: Adjusts whether the sounds comes out of the left or right speakers within a range from 14L (left) to 14R (right).Enables or disables the “BEEP” signal to confirm use.This function displays video signals on your iPhone or on an additional screen connected to your device’s video output. The iPhone will have to be removed from the cradle and then returned to it in order for changes to take effect."Oxygen Audio Car Sound 1” App is belonging to the Oxygen Audio O Car and dedicated for iPhone.New feature: click screen to change EQ settings.