Anker soundcore A25i true wireless earbuds – A3948Z11 Features powerful music experience. 9H playtime on a single charge and 28H playtime with charging case AI-Enhanced calls via 2 mics. Easily carry your earbuds everywhere with knitted lanyard. IPX5 waterproof Tailored experience with sound core app More wireless earbuds High-Quality Sound: Oversized drivers with rich sound with highly-detailed treble. This ergonomic Earbuds are made of silicone so it will be comfortable, well fitted and very stable.