Find your own dominant Tinnitus tone with help of Tonal Tinnitus Therapy.
Check if you can hear all the four therapy tones at the same volume, adjust the volume when needed.
Play the therapy tones as long as you want, you can close the app while playing and use uour phone as usual.
When you start playing the therapy tones, you can adapt the left and right volume.
Some people like to add white noise while playing the therapy tones. Not needed, but possible if you want. At the volume you choose.