Design should not be just design

It's a good thing to look cool, but you need to know FIIL Key's earbuds are also one of the lightest among FIIL products, we hope that every music lover can forget its existence and just enjoy the music.

Just enjoy the music

FIIL Key uses a 13mm tailor-made titanium-coated diaphragm, but this is only one aspect. The excellent sound adjustment ability of the FIIL technical team over the years is the soul of FIIL Key's good sound quality.

Be your own DJ

In addition, you can also find your favorite style among up to 15 EQs in the fiil+ App
Listen to your favorite sound effects, and listen to your favorite music.

The brand new Bluetooth 5.3 is here

FIIL Key supports the new Bluetooth 5.3, bringing faster and more stable connections.
In addition to Bluetooth 5.3, FIIL Key supports Low Latency Mode, which brings a more stable and smooth gaming experience when enabled in the fiil+ App

Up to 24 hours of battery life with 2C fast charging

FIIL Key has a compact body design, but can be used continuously for 5 hours on a single charge, with a total battery life of up to 24 hours, and can be charged once a week for daily use.

Dual-Mic ENC call noise cancellation

FIIL Key supports Dual-Mic ENC call noise cancellation. Dual-Mic can accurately identify call noise and reduce ambient noise through algorithms. Even if you are in the subway, the person answering your phone can hear your voice clearly.

Bluetooth dual-device shifting

Want to switch devices connected to FIIL Key via Bluetooth at any time?
FIIL Key supports Dual-Device Shifting, after fiil+ App activates this function, long-press the headset for 4s, and you can easily switch Bluetooth devices.