Sennheiser ACCENTUM Wireless earphones circum aural Up to 50 hours battery life White Circulaire 2022 Sennheiser Accentum True Wireless headphones Pixels OLED autoémissifs pour Sennheiser Accentum True Wireless headphones offer a premium sound experience with adaptive noise reduction KX TGM470W cordless phone 1 handset DECT 6 40 db sound amplification Expandable up to 6 handsets Slow talk mode Call blocking Voice visual call notification Auxiliary power Answering machine White The Sennheiser ACCENTUM offer extended listening freedom with their 50 hour battery life and 3 hour quick charge Their hybrid ANC noise reduction and circum aural design create an immersive sound bubble for optimum listening comfort