Head-/earphone status overview

Check your battery use anywhere, anytime. Never again be left without power.
Note: Only available in Bluetooth mode

Discover a whole-new aural experience

Bluetooth mode offers different sound effects. Enjoy the all-round audio feast
with different audio quality, sound field and listening mode.

Easy burn-in mode

fiil+ APP comes with a smart burn-in mode that has pre-set steps and time, and
automatic volume adjustment feature, allowing you to burn-in your brand-new
FIIL headphones till they reach their optimal performing state.

An e-manual for your reference

fiil+ APP consists of detailed feature introductions to FIIL products,
aiming to help you master your headphones in a short time.

OTA firmware upgrade

The fiil+ APP supports over-the-air firmware upgrade so that
our customers get the best experiences.
Note: Only available in Bluetooth mode