【World's Smallest TWS In-ear Earbuds】ADV. 500 is the world's smallest true wireless stereo in-ear earbuds - its charging case barely bigger than a Quarter. We've taken a painstakingly thorough engineering process to eliminate excess space and to miniaturize the components for the most compact and efficient package.
【Tiny, Ergonomic Fit】The earbuds are ergonomically designed for maximum comfort in universal-fit. Its tiny size and rounded edges remove pressure points in your ear - ideal for the smallest of ears. The variety of ear tips sizes option included allow the same comfortable univer-fit for larger ears as well.