Galaxy Buds 2 come up to 20 hours of playback time with active noise cancellation (ANC) turned on The TWS earphones appear to have a total of three microphones and an integrated voice recording unit for high quality calls The charging case offers an additional 15 hours worth of battery life Galaxy Buds2 ear buds take your passion for music to new heights with booming sound that makes you feel like you're on stage with your favorite band Galaxy Buds2 have a comfortable, low profile design that's 10% smaller and lighter than Galaxy Buds+; You may get to the end of your playlist before you remember you're wearing them at all The earbuds’ 3 microphones and noise reduction technology ensures voices are transmitted crisply and clearly, whether you're chatting with a friend or leading a high stakes conference call