The DOLFIN ONYX DUO wireless headphones from CGV feature a modern design in black that fits perfectly in various usage environments, especially designed for connections with audio devices via a 3.5 mm jack. This model combines the functionality of conventional headphones with the convenience of wireless use, thanks to its integrated wireless connectivity technology, allowing cable-free mobility that enhances the listening experience. Additionally, they come equipped with a built-in microphone, enabling calls or voice app interaction without extra accessories, making them an ideal solution for entertainment and communication. Their light weight contributes to prolonged comfort, making them suitable for long listening sessions on TV or HIFI systems, as well as calls or video conferences. They operate at a voltage of 3.7 V, indicating a lithium battery that supports autonomy and energy efficiency. Overall, the DOLFIN ONYX DUO headphones by CGV offer a versatile audio experience, combining classic and modern connectivity with an ergonomic design, ideal for users seeking functionality and mobility without sacrificing sound quality or the practicality of an integrated microphone.