Denon PerL Pro True Wireless Earbuds let you create a personalized sound profile via Masimo AAT for audio that is perfectly tuned to you. Add in CD-quality sound from Qualcomm aptX lossless technology and spatial audio from Dirac Virtuo for an unrivaled wireless audio experience. Confidently take calls with best-in-class voice audio. Use the Denon PerL Pro app to create your profile and fully customize your listening experience. Adaptive noise cancelation automatically adjusts to the loudness of the environment so you can enjoy your music or use Social Mode, which lets in outside sound so you can have a quick chat or be aware of your surroundings. And with 8 hours of earbud battery life-plus 32 additional hours from the case and wireless case charging-you can keep the music going all day. IPX4-rated, these wireless earphones are designed to withstand weather and water for an active lifestyle. Offering reliable performance and clear audio quality, they are perfect for daily commutes or workouts.