oraolo AC311 Open-Ear Wireless Earbuds, Bluetooth 5.4

Wireless: The oraolo AC311 open-ear earbuds use a design that leaves the ears unobstructed, with touch controls and Bluetooth 5.4. The listing claims up to 30 hours of playback including the charging case, but does not specify standalone earbud runtime.

At a glance

Open-ear design leaves the ear canal uncovered, which may suit listeners who want to stay aware of surrounding sounds.
Touch controls are listed for calls, track changes and volume adjustments.
The listing claims 30 hours of playback including the charging case, not 30 hours from one earbud charge.
IPX5 protection is claimed in the feature copy for sweat and light rain.

Price

$29.99Save 70%

Reference price: ~~$99.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

Open-ear fit avoids inserting an earpieces into the ear canal.
Touch control is specified, with listing claims covering calls, tracks and volume.
The listing describes Environmental Noise Cancellation for calls.

Cons

Open-ear playback does not provide the same physical isolation as an in-ear seal, so nearby sound may remain audible.

Technical specifications

13 specifications

Identity
Brand	oraolo
Model	AC311
Colour	Black

Connectivity and controls
Wireless connection listed	Bluetooth
Bluetooth version	5.4
Control methods listed	Touch
Headphone jack	No Jack

Design and audio
Form factor	Open Ear
Driver type	Dynamic Driver
Driver size	16.2 millimeters
Noise control listed	Environmental Noise Cancellation

Protection and compatibility
Water resistance listed	Water Resistant
Compatible devices	Cellphones

What to know before buying

Listing details to confirm

The title identifies the product as Monster Open AC311, while the brand field says oraolo and the model details also identify AC311 alongside E33. The title claims IPX5, but the structured protection detail only says Water Resistant. The 30-hour claim includes the charging case and does not give earbud-only runtime. Confirm the exact listing identity, protection claim and battery breakdown before purchase.

What’s in the box

Charging caseCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Listeners who prefer an open-ear fit and want to remain more aware of their surroundings.
People seeking touch controls for phone calls and playback adjustments.
Buyers considering earbuds for exercise or outdoor use who can rely on the listing's stated sweat and light-rain conditions.

Less suited to

Listeners who need strong passive isolation from surrounding noise.
Buyers who require a clearly stated standalone earbud runtime or a consistently identified product brand and protection rating.

oraolo AC311 Open-Ear Wireless Earbuds, Bluetooth 5.4 · photo 2 — Additional product photo 2

Customer reviews on Amazon

5 / 5 · 3 ratings

5 stars100%100%
4 stars0%0%
3 stars0%0%
2 stars0%0%
1 star0%0%

The supplied rating aggregate is entirely positive, but it represents only a single rating and no written customer feedback is available. It therefore offers little evidence about comfort, call clarity, sound or battery performance. The open-ear design and case-inclusive 30-hour claim are listing specifications, not customer-confirmed outcomes.

Frequently asked questions

Does the 30-hour playback claim mean one charge of the earbuds?

No. The listing says the total includes the charging case and does not specify the earbuds' standalone playback time.

Are these in-ear earbuds?

No. The listed form factor and ear placement are Open Ear, so they are designed to sit without sealing inside the ear canal.

What water protection does the AC311 have?

The feature copy claims IPX5 protection against sweat and light rain, while the structured detail says only Water Resistant. Treat the precise rating as unconfirmed until the selected listing clarifies it.