The OnePlus Buds 4 in-ear noise cancelling true wireless earbuds deliver effortlessly rich, detailed sound, advanced noise cancellation, and up to 45 hours of listening with the charging case. Smart features and an ergonomic design keep you comfortable and connected all day. Experience immersive audio wherever life takes you. In-ear true wireless earbuds with noise cancelling for travel and everyday use Up to 45 hours total battery life including charging case This description was generated by AI and reviewed for accuracy.