Get full control over safe listening with the POGS app and The Turtle & The Gecko 2 headphones. Adjust maximum volume between 70 dB and 85 dB, and monitor listening time as safe listening depends on volume and duration. For instance listening at 85 dB is only safe for 3.5 hrs per week.Other functions include controls for volume, equalizer and ANC, timer for listening time, POGS name changing and firmware updates (The Gecko 2 only).Control your POGS from both the streaming device as well as from another connected device.