The Teufel Headphones App works with AIRY TWS 2 REAL BLUE PRO REAL BLUE TWS 2 / TWS 3 REAL BLUE/BLUE NC (current version only available from November 2021) SUPREME ON SUPREME IN AIRY SPORTS and REAL BLUE IN. Other models including the older version of the REAL BLUE/BLUE NC (2020) cannot be connected via Headphones App for technical reasons.

The app offers many additional features for selected Bluetooth headphones from Teufel the audio specialist from Berlin including:

- Equalizer: Find a sound pattern according to your preferences*.
- ANC / Transparency: Activate active noise cancellation or transparency mode*.
- Check the battery level of your Teufel headphones at any time.
- ShareMe - listen to your music together with friends on two headphones of the same model in sync*.
- Make advanced settings including auto standby & smart pause.

*Note on the range of functions: Not all app features are available for selection on every model. The range depends on the connected headphone model.