- Battery life
- Up to 14 hours per charge; USB-C Smart Case adds 2-3 additional charges
- Fit and comfort
- 1.6g per earbud, 11mm tall, 4 sizes of soft silicone tips included, IPX4 water/sweat resistant
- Noise approach
- Passive blocking via silicone tips plus adaptive noise-masking audio (60+ sleep sounds/soundscapes); no active noise cancellation
- App requirement
- Ozlo Sleep App (iOS 16.4+ / Android 12+) needed for setup, streaming external audio and sleep tracking; a phone-free mode plays a pre-loaded built-in sound with no phone or Bluetooth needed
- Connectivity
- Bluetooth 5.3 (A2DP + LE Audio), no multipoint; range about 10ft from case, 30ft from phone
- Charging case
- USB-C only, no wireless charging
- Alarm
- Built-in private alarm with no microphone, wakes only the wearer
- Warranty and returns
- 1-year warranty (2 years in EU/UK), 30-day return policy, HSA/FSA eligible
Ozlo Sleep
Ozlo Sleepbuds 2
Tiny sleep-only earbuds that pair passive silicone-tip blocking with 60+ masking sounds and a 14-hour battery, built for side sleepers rather than general listening.
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Limited-time gift-with-purchase bundle (Sleep Mask + Travel Case, bundle valued $337) at the $279 price
Go to Ozlo SleepAll prices
| Store | Price | Checked | |
|---|---|---|---|
| Ozlo Sleep Best price Limited-time gift-with-purchase bundle (Sleep Mask + Travel Case, bundle valued $337) at the $279 price | $279 | ✓ OCT 11 | Go to store |
| Best Buy | $279 | ✓ OCT 13 | Go to store |
Prices were checked on the dates shown and can change at any time. The store page is always authoritative. Shipping and taxes are not included.
| 2026-10-13 | Best Buy | $279 |
| 2026-10-11 | Ozlo Sleep | $279 |
| 2026-10-04 | Ozlo Sleep | $279 |
| 2026-09-27 | Ozlo Sleep | $279 |
| 2026-09-20 | Ozlo Sleep | $279 |
| 2026-09-19 | Best Buy | $279 |
| 2026-09-17 | Ozlo Sleep | $279 |
| 2026-09-16 | Ozlo Sleep | $279 |
| 2026-08-30 | Ozlo Sleep | $279 |
| 2026-08-26 | Best Buy | $279 |
Each line is the price we verified on that date.
Our verdict
Where it wins
- Extremely compact and lightweight (1.6g, 11mm), consistently rated among the most comfortable earbuds for side sleeping across reviews
- 14-hour battery is enough to cover a full night, an improvement over the original Sleepbuds' roughly 10-hour life
- Private, mic-free alarm wakes only the wearer without disturbing a partner
- Phone-free playback mode works without any Bluetooth connection once a sound is loaded
Where it loses
- No active noise cancellation, only passive tip blocking plus masking sounds, so it may not fully cover loud noise like a partner's snoring in every case
- Companion app (iOS 16.4+/Android 12+) is required for setup, streaming outside audio, and sleep-tracking data; without it you're limited to whatever sound was pre-loaded
- No Bluetooth multipoint and USB-C-only charging case with no wireless charging, and it's premium-priced for earbuds mainly used at night
Ozlo Sleepbuds 2 are small, comfortable earbuds built specifically for sleeping rather than everyday listening. They mask nighttime noise well with soundscapes and can run all night without a phone connection, but they skip active noise cancellation and lean on a companion app for setup and sleep data. At that premium price they suit people whose main problem is nighttime noise, less so anyone wanting general-purpose earbuds too.
Also in sleep earbuds
Anker Soundcore Sleep A20
A mid-priced sleep earbud from Anker's Soundcore line that pairs twin-seal silicone tips with an app-controlled white noise library, aimed at side sleepers who want more masking options than a basic pair offers.
MEE audio SleepTones
A budget true-wireless sleep earbud from MEE audio, built ultra-small and light for side sleeping with a sleep-mode toggle that kills lights and touch controls at night.
MUSICOZY Sleep Headphones Headband
A stretchy Bluetooth headband with flat, cushioned speakers built in, made for side sleepers who want audio without earbuds in their ears.
More on the Ozlo Sleepbuds 2
Common questions
Do Ozlo Sleepbuds 2 need the app to work?
Not for basic use. Once a sound is loaded, they can auto-play a built-in sleep sound with no phone or Bluetooth connection needed. The Ozlo Sleep App is required for initial setup, streaming audio from apps like Spotify, and viewing sleep-tracking data.
How long does the battery last?
Up to 14 hours per charge, enough for one full night's use. The USB-C charging case (Smart Case) holds 2-3 additional charges for on-the-go top-ups.
Do Ozlo Sleepbuds 2 have noise cancellation?
Not active noise cancellation. They combine soft silicone ear tips that passively block sound with adaptive noise-masking audio (60+ built-in soundscapes) to cover snoring and ambient noise, effective for typical bedroom noise but not as strong as ANC in very loud environments.
Prices last verified Oct 11, 2026.