Truly wireless earbuds designed specifically for sleep. Comfortable eartips passively block noise, while soothing sounds help you sleep through the night. Get up to 10 hours on a single charge and 3 additional charges from the case. Sleepbuds™ II work together with the Bose Sleep app to bring you a library of Bose-engineered noise-masking sounds and relaxation content. Choose your favorites to download onto the buds and customize other settings — like a personal wake-up alarm.