FiiO Control app is designed exclusively for controlling FiiO Bluetooth devices. You can use this app to change the audio settings, equalizer and other functions of your FiiO Bluetooth device. Features: · Customize the general functions such as Charging on-off, RGB indicator light on-off, in-vehicle mode, DAC work mode, etc; · Adjust the equalizer; · Change audio settings such as digital filter, channel balance, etc. · View the embedded user guide for device introductions; Note: This app current