The OnePlus Nord Buds 3R offer up to 12 hours of playback on a full charge for the earbuds alone. With the charging case, the total playback time extends up to 54 hours. Additionally, a fast charge of just 10 minutes provides about 8 hours of playback time, making it very convenient for quick top-ups. These earbuds are known for their long battery life and efficient fast charging feature, supported by a 560mAh battery in the case and 58mAh battery in each earbud.