Features:-
>Fully Open-Ear Design.>Equal-Loudness Contour Technology.
>10mm Topological Dynamic Driver.
>Composite Dynamic Diaphragm Dynamic Driver.
>Independent Audio Module with DSP Functionality.
>Bluetooth V5.4 Connectivity.
>Cadence HiFi DSP Chipset.
>Acoustic Beamforming 3.0 Technology.
>No Audio Leakage with Isolated Design.
>3D Ergonomic Shape for Comfortable Wearing.
>IPX4...
Roseselsa open free