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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 17h 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 132 of the 264 we've cataloged.

See the lab data ↓Frequency response · Isolation

Key specs

Battery Life Earbuds

14 hAbove average

14 h

3 h15 h

above average for wireless earbuds — based on 245 of 264 we've cataloged.

Battery Life With Case

56 hAbove average

56 h

7 h60 h

above average for wireless earbuds — based on 243 of 264 we've cataloged.

IP Rating

IPX4Most common

IPX435%IP5516%IP5415%IPX513%

IPX4 is the most common — on 35% of the 244 wireless earbuds we've cataloged (of 264).

Live translation

NoneMost common

None57%Platform ai30%In-app13%

None is the most common — on 57% of the 23 wireless earbuds we've cataloged (of 264).

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 4 overlay slots used

Ozlo Sleepbuds 2SoundGuys Headphone Preference Curve

Measured frequency response (dB relative) against the SoundGuys Headphone Preference Curve. When the measurement goes above the dashed line, that frequency is louder than our preference curve, and when it goes below: it's quieter. Use the curve for comparison purposes only, as your taste may vary.

Ozlo Sleepbuds 2: frequency response, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Response (dB)
20	0.0
25	0.0
32	0.0
40	0.0
50	0.0
63	0.0
80	0.0
100	0.0
125	0.0
160	0.0
200	0.0
250	0.0
315	0.0
400	0.0
500	0.0
630	0.0
800	0.0
1000	0.0
1250	0.0
1600	0.0
2000	0.0
2500	0.0
3150	0.0
4000	0.0
5000	0.0
6300	0.0
8000	0.0
10000	0.0
12500	0.0
16000	0.0
20000	0.0

Ozlo Sleepbuds 2

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