Offering the trifecta in true wireless experience for any audiophile, the Altec Lansing NanoBuds ANC offers Active Noise Cancelling technology that blocks out the unwanted noise. Commuting in a busy city, airport, or loud area? The Ambient Aware mode allows for important announcements or noises by increasing ambient sounds. Transition from the gym to work calls, and work to a run effortlessly with dual mic clear calling, IPX4 water resistance and Altec Lansing Helix Wings. Anti-microbial Protections repels 99.9% of germs the earbuds and you come in contact with. With up to 7 hours of battery plus an additional 2x charges with the portable charging case gives you 28 hours of total playtime.