Bose Sleepbuds™ II deliver relaxing sounds that help you fall asleep, and use Bose noise-masking technology so you stay asleep. Tiny, wireless Sleepbuds II are designed for comfort with sleep technology clinicallyproven to help you fall asleep faster. Sleepbuds II play content only from the Bose Sleep app, which gives you full control of the Sound Library and helps you personalize features. Discover tranquil tones and soothing sounds from nature. Or, use Bose noise-masking sounds to cover unwanted nighttime noise. Download your favorite sounds directly to Sleepbuds™ II, control volume, and set a personal wake-up alarm. Sleepbuds II feature proprietary eartips made of soft silicone for a comfortable, secure fit. Sleep on your back or side, or rollover during the night, they’ll stay put. Get up to ten hours of battery life from a single charge, enough for a full night’s sleep— and three additional charges from the portable case.