After using them for around 4 months, I wish I could return them. The battery fails to last through the night when using Bluetooth, connectivity problems are frustrating, and the range is lacking (you have to stay within about 3 meters of the case or you lose signal). The design idea is intriguing, but it falls short of expectations, and I cannot recommend them.
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Ozlo was born from a shared frustration:
sleep shouldn’t be this hard.
After years leading innovation at companies like Bose, our founding team, including audio engineers, sleep researchers, and product designers, set out to create a solution that honored sleep for what it truly is: restorative, essential, and deeply personal.
Our breakthrough came not through noise-cancelling headphones or smart alarms, but by designing something radically different: small, comfortable Sleepbuds that blend science-backed, sound-masking audio with sensor-driven intelligence, helping people sleep better naturally.See more
