The Bose Sleepbuds II serve a very specific purpose: they’re aimed at customers struggling with sleep issues. While a pair of noise-isolating foam earplugs is a classic solution for blocking out distractions at bedtime, these pricey earbuds provide a decidedly more long-term solution to sleepless nights from a company that knows a thing or two about blocking out noise. The Sleepbuds II don’t use the hallmark active noise canceling (ANC) technology you’ll find in other Bose headphones, many of which also happen to be the best noise-canceling headphones. But these tiny wireless earbuds offer some decent passive noise cancellation and access to a library of lab-tested noise-masking sounds proven to lull you to sleep