Control your EXOGAL Comet Audio DAC system with this easy to use app.* Select the Comet to control.* Turn the Comet on and off.* Change volume.* Toggle mute on, reduce, and off.* Change inputs.* Change outputs.EXOGAL Remote also provides system summary of input, output selection, device name and version information.EXOGAL Comet Audio DAC required.iOS device requires Bluetooth Low Energy (BLE) support.