The FIO MOTUS App offers more customization and optimizes listening experience for all FIO MOTUS App compatible models. Adjust Noise Cancelling Control, Be Aware, Spital Audio, Gaming Mode, Safe Hearing, Adaptive Noise Cancelling, Button Functions, Personal Preference Sound, Update Software. Active Noise Cancelling Control With FIO MOTUS App, youll be able to increase the active noise cancelling from off to Max ANC, while in the headphones you can only select on or off. Transparency Control With FIO MOTUS App, youll be able to increase or decrease the amount of outside noise let in by adjusting your transparency setting. Spatial Audio Spatial audio are always available with FIO MOTUS App, double click ANC function can active this function as well. Can close this button function from App if no need. Safe Hearing All future FIO MOTUS models will support Safe Hearing. Switch between the default output and 85dB for a safe listening experience. Adaptive Noise Cancelling Noise cancelling performance can be customized base on different head size and different wearing. Button Functions You can customize the ANC button control via this App. No matter ANC ON, ANC OFF or Transparency can be removed if no need. Spital audio can be removed from button control if no need.