- These Snoozeband headphones have ultra-thin 4 mm speakers which are ideal side sleepers- Relax with built-in soothing sounds or listen to your calming playlists on Bluetooth- There's an optional auto shut-off timer, so you can drift off without worrying about turning it off- You get up to 12 hours of playtime, so it's great for long-haul flights- It's portable and comes with a carry pouch for travelling and overnight stays