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Ozlo Sleepbuds1 / 5
Ozlo

Ozlo Sleepbuds

Current price · Amazon US
$249
Check Price on Amazon

Price last checked 1d ago

Noise Isolation / ANC
6.7/ 10
6.7
0.010.0

A 6.7 puts its noise isolation / ANC in the top quarter of wireless earbuds we've measured.

Measured on 133 of the 271 we've cataloged.

Key specs

Battery Life Earbuds
10 hAbove average
10 h
3 h16 h

above average for wireless earbuds — based on 243 of 271 we've cataloged.

Battery Life With Case
32 hAbove average
32 h
7 h60 h

above average for wireless earbuds — based on 245 of 271 we've cataloged.

IP Rating
IPX4
IPX433%IP5516%IP5415%IPX61%

IPX6 appears on 1% of the 244 wireless earbuds we've cataloged (of 271).

Noise Cancellation Type
Passive
Active61%Passive14%None9%Adaptive8%

Passive appears on 14% of the 172 wireless earbuds we've cataloged (of 271).

Battery

Battery Life Earbuds
10 h
Battery Life With Case
32 h
Charging Method
USB-C

Build

IP Rating
IPX4
Water Resistance
Yes

Sound

Noise Cancellation Type
Passive

Connectivity

Bluetooth Version
5.3
Bluetooth Range
3 m
Connection Type
Bluetooth

Design

Earbud Form Factor
In-ear
Case Dimensions
78 x 78 x 27 mm mm
Color Options
White
Ear Tip Sizes Included
4 sizes
Wearing Style
In-ear
Weight Per Earbud
1.6 g
Weight With Case
332 g

Features

Companion App
IOS + Android
Control Type
Touch controls
Mono Mode
Yes

Microphone

Count
0

SoundGuys review

Read the full review ›
SOUNDGUYS rating
7.6/ 10
Recommended
Adam Birney
Reviewed byAdam BirneyManaging EditorReviewed November 2024
Isolation6.7
Battery life8.4
Comfort & fit9.0
Connectivity6.0
Design6.5
Portability9.0
The verdict

The Ozlo Sleepbuds successfully carry the torch from their Bose predecessors while adding valuable features like custom audio playback - but at $299, they're asking for a premium investment in your sleep.

✓What we like
✓Comfortable and compact
✓Can play custom audio
✓Good passive isolation
✓Battery life
✕What could be better
✕Expensive
✕No sleep tracking (yet)
✕No ANC
✕Long pairing process
Read the full SoundGuys review →

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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Ozlo Sleepbuds
Ozlo Sleepbuds isolationPassive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.01020304050201001k10k20k

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

Passive isolation — measurement data
Ozlo Sleepbuds: passive isolation, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)Attenuation (dB)
2111.9
266.8
332.1
413.0
521.9
652.6
823.1
1033.4
1304.3
1633.8
2054.6
2598.0
3258.6
4104.6
5165.2
6138.3
77215.4
97216.9
122018.3
154020.8
194025.8
244032.3
307033.4
387033.9
487030.4
613022.1
772029.4
972035.6
1220025.5
1540039.8
1940031.0

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