0.5 x 1.1 x 0.98 inches

Make sure this fits by entering your model number. Sleepbuds, not headphones: Designed for sleep, Sleepbuds may look like tiny headphones, but they don’t stream music or podcasts, instead they deliver relaxing and noise-masking sounds to help you fall asleep and stay asleep all night User-tested: Bose sleep technology is clinically proven to help you fall asleep faster