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Ozlo

Ozlo Sleepbuds 2

Name: Ozlo Sleepbuds 2
Brand: Ozlo
SKU: B0GZSMBDYZ
Price: 279.00 USD

Ozlo's second-generation sleep earbuds are smaller, longer-lasting, and a lot less annoying at 2AM.

Current price · Amazon US

$279

Check Price on Amazon

Price last checked 1d ago

Noise Isolation

7.1/ 10

7.1

0.010.0

A 7.1 puts its noise isolation in the top quarter of wireless earbuds we've measured.

Measured on 130 of the 252 we've cataloged.

See the lab data ↓Isolation

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Key specs

Battery Life Earbuds

14 hAbove average

14 h

2 h15 h

above average for wireless earbuds — based on 236 of 252 we've cataloged.

Battery Life With Case

56 hAbove average

56 h

7 h60 h

above average for wireless earbuds — based on 235 of 252 we've cataloged.

IP Rating

IPX4Most common

IPX436%IP5517%IP5415%IPX510%

IPX4 is the most common — on 36% of the 232 wireless earbuds we've cataloged (of 252).

Live translation

NoneMost common

None46%Platform ai33%In-app21%

None is the most common — on 46% of the 24 wireless earbuds we've cataloged (of 252).

Battery

Battery Life Earbuds: 14 h
Battery Life With Case: 56 h
Charging Method: USB-C
Full Charge Minutes: 150 min
Battery Life Wireless: 14 h
Fast Charging: Yes

Build

IP Rating: IPX4
Sweat Resistance: No
Water Resistance: Yes

Features

Live translation: None
Companion App: IOS + Android
Control Type: Touch controls
Eq Customization: Presets only
Auto Connect: Yes
Auto Pause: No
Built In Sounds: Yes
Fitness Tracking: No
Mono Mode: No
Sleep Timer: Yes

Connectivity

Bluetooth Version: 5.3
Bluetooth Range: 10 m
Connection Type: Bluetooth
Headphone Jack: No

Design

Earbud Form Factor: In-ear
Case Dimensions: 11 x 17 x 12 mm mm
Color Options: White
Ear Tip Material: Silicone
Ear Tip Sizes Included: 0, 1, 2, 3
Form Factor: Low-profile earbuds
Wearing Style: Shallow fit
Wearing Time Max: 8 h
Weight: 99 g
Weight Per Earbud: 1.6 g

Microphone

Count: 0
Microphone: No
Wind Noise Reduction: No
Type: Single microphone

Release

Date: 2026-07-29
Msrp Usd: 279 USD
Year: 2026

Sound

Anc Modes: Off
Driver Type: Balanced armature
Adaptive Anc: No
Passive Isolation: 71.3 dB

Lab data

How we test ›

Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.

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0 of 3 overlay slots used

Ozlo Sleepbuds 2 Attenuation (measured on a B&K 5128)

Click a line or a legend entry to highlight it. Click again to clear.Tap a legend entry to highlight its line. Tap again to clear.

Solid lines: passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.

Ozlo Sleepbuds 2: passive isolation, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Attenuation (dB)
21	9.4
26	8.4
33	7.9
41	8.6
52	10.4
65	8.8
82	8.7
103	7.6
130	6.8
163	7.6
205	3.9
259	11.1
325	9.9
410	16.7
516	12.8
613	12.8
772	22.6
972	16.3
1220	22.1
1540	24.4
1940	28.1
2440	32.6
3070	35.9
3870	32.8
4870	28.1
6130	20.0
7720	27.6
9720	34.6
12200	21.0
15400	32.9
19400	29.6

SoundGuys review

SOUNDGUYS rating

7.6/ 10

Recommended

Reviewed byAdam BirneyManaging EditorReviewed August 2026

Isolation7.1

Battery life8.4

Comfort & fit9.0

Connectivity5.0

Design8.0

Portability8.0

The verdict

The most comfortable sleep earbuds you can buy, with battery life that lasts a full night. But $279 gets you no ANC and no wireless charging.

✓Liked: Comfortable, Battery life, Features

✕Could be better: No ANC, No wireless charging, No multipoint, Price

Read the full SoundGuys review →

Owners

How we verify owners

Nobody who owns the Ozlo Sleepbuds 2 has written in yet.

Owner reviews are not paid for, not solicited from specific owners, and not rewritten by us: at most we proofread typos, which is shown on the review’s own page and which the author can undo. The commission SoundGuys may earn on this page comes from retail links, never from owner reviews.

Own the Ozlo Sleepbuds 2?

Three answers, four quick reads, one sentence nobody tells you before buying. Shown under a pseudonym. Sign-in needed to publish.