Denon Perl Earbud Noise-Cancelling Bluetooth Earphones - Black

Masimo Adaptive Acoustic Technology (AAT): Normal hearing varies from person to person and can impact your listening experience. Masimo AAT automatically measures your hearing and creates a profile perfectly tuned to you. Denon sound philosophy: This and all other Denon products have our signature vivid and spacious sound quality and are hand-tuned by the Denon Sound Master. We will always remain faithful to true audio reproduction. Active noise cancelling: Tune out the distractions of the world with active noise cancelation so you can focus on your music. Social Mode: Social Mode lets in outside sound so you can have a quick chat or be aware of your surroundings. Full day battery power: Six hours of earbud battery life per charge and three additional charges in the case offer 24 hours of power.