The smartbud platform for better sleep and brighter days.
Tone Buds are ultra-comfortable, brain-responsive earbuds that help you drift off effortlessly and get the most restorative sleep of your life—so you can live fully awake.
Secure yours here.
Order today to lock in our pre-order price of $249.
Sleep deeply.
Live fully.
Settle in with Tone
Tone Buds’ ergonomic design ensures all-night comfort in any sleeping position.
Drift off with the tap of a button
Sleep shouldn’t be complicated—and with Tone, it isn’t. Tap once to launch personalized sounds that calm your mind and block unwanted noise.
Experience deep, uninterrupted sleep
Smart sensors continuously monitor your sleep depth, adjusting audio in real time so that you stay asleep and experience maximal restoration.
Get sleep insights you can actually use
Forget cluttered graphs and meaningless metrics. The Tone app delivers clear, actionable advice.
Energize your days
Get unique sound experiences that help you monitor and maintain your energy during the day.
“I refuse to be tired. And with Tone, I never am. ”
Featured in Wired Magazine
NextSense is a spinout of Google’s Moonshot Factory, X.
Named a FastCo Next Big Thing in Tech.
NextSense Achieves Industry Recognition for Innovation in Sleep Technology.”