PERSONALIZED SOUND - The Denon PerL True Wireless Earbuds use Masimo Adaptive Acoustic Technology, combining lossless and spatial audio to deliver unrivaled sound; customize these noise cancelling earbuds with Denon Headphones app LOSSLESS & SPATIAL AUDIO - Savor Bluetooth audio with CD-quality clarity from Qualcomm aptX Lossless technology on these bluetooth headphones and feel immersed in your content via spatial sound from Dirac Virtuo BEST-IN-CLASS VOICE CALLS - These wireless headphones deliver clearer calls with Qualcomm aptX Voice for super wideband (32kHz) audio and eight microphones for pickup, while Multipoint lets you connect two devices simultaneously DENON SIGNATURE SOUND - Hand-tuned by the Sound Master to deliver vivid, spacious audio; with 5 tip options & 2 wings, these wireless bluetooth earbuds & in-ear headphones stay in place comfortably so you can keep music going all day NOISE CANCELING EARBUDS - Adaptive cancelation tunes out distractions for noise cancelling headphones clarity; choose Social Mode to hear nearby sounds or Immersion Mode to adjust bass for music CUSTOMIZABLE TOUCH CONTROLS - Each wireless earbud has 4 fully customizable touch inputs to control play/pause, skip track, change volume, and more, making them great workout earbuds with an IPX4 sweat and water-resistant rating LONG-LASTING BATTERY LIFE - When out of the case, the Bluetooth earbuds, long battery life wireless earbuds, offer 8 hours of playback in Normal Mode (ANC, spatial, multi-point, 50% volume) and 24 hours in Low Power Mode inside charging case OVER A CENTURY OF AUDIO INNOVATION - Our dedication to groundbreaking sound innovation has cemented Denon's reputation as a visionary in wireless bluetooth headphones, not only with our customers, but with partners and competitors