In music mode, with ANC mode off, the Buds Pro earbuds can play music continuously for 11 hours. Using the charging case, they have a total battery life of 39 hours. In music mode, with ANC mode on, the earbuds can play music continuously for 6.5 hours. Using the charging case, they have a total battery life of 22 hours. In call mode, with ANC mode off, the earbuds can be used to talk continuously for 6 hours. Using the charging case, they have a total battery life of 21 hours. In call mode, with ANC mode on, the earbuds can be used to talk continuously for 5 hours. Using the charging case, they have a total battery life of 18.5 hours. Test conditions: Measured with the volume at 50%.Charging and battery tests are based on Nothing internal lab results (at 25℃ or 77℉).Actual battery life is affected by factors such as volume, frequency, output source, environmental interference, product features, and usage habits. Actual results will vary depending on individual usage.