The OnePlus Buds 4 in-ear true wireless earbuds deliver immersive sound through dual drivers and advanced dual DACs, with smart adaptive noise cancellation and up to 45 hours of battery life to keep you listening longer. Experience hi-res wireless audio and a comfortable, lightweight design. In-ear true wireless earbuds with ergonomic, lightweight fit Up to 45 hours total battery life with charging case This description was generated by AI and reviewed for accuracy.