Soundcore AeroFit 2 A3874 Open-Ear Earbuds, Bluetooth 5.4

1 / 7

Product guide

Soundcore AeroFit 2 A3874 Open-Ear Earbuds, Bluetooth 5.4

Soundcore AeroFit 2 A3874 open-ear earbuds use adjustable ear hooks and Bluetooth 5.4 for listening while staying more aware of your surroundings. The listing claims up to 10 hours per charge and 42 hours with the case, plus four microphones for calls. Customer feedback praises sound and battery life but reports mixed experiences with fit and reliability.

At a glance

Open-ear design with adjustable, rotatable hooks and four fit positions claimed in the listing.
The listing gives battery estimates of up to 10 hours from the earbuds and 42 hours with the case.
Four microphones and AI call processing are listed for calls.
Wireless case charging and translation through the soundcore app are described, with app and firmware requirements for translation.

Price

$84.99Save 35%

Reference price: ~~$129.99~~

Price checked: Nov 14, 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

Anker soundcore V20i Open-Ear Earbuds, 36H Playtime, Bluetooth 5.4 | IP55, All-Day Comfort, Adjustable Fit, Rich Bass, Customizable Lights, Multipoint Connection, for Work and Fitness (Black)

$35.98

soundcore by Anker V30i Open-Ear Headphones | Ultra-Comfort, Lightweight Design, Snug Fit, Ergonomic Ear Hooks, Robust Bass, 36H Playtime, Bluetooth 5.3, App Control

$69.99

Pros and cons

Pros

Open-ear construction leaves the ear canal unobstructed, which may suit walks, runs and other situations where awareness of nearby sound matters.
Adjustable hooks provide several fit positions rather than a single fixed shape.
A listed 10-hour earbud estimate and 42-hour case-assisted estimate give a clear long-listening-use target.

Cons

Open-ear listening does not provide the isolation of sealed in-ear earbuds, so it may be a poor fit for noisy settings or listeners seeking strong noise blocking.
The listing identifies noise control as none, despite separately naming transparency mode. It does not establish active noise cancellation for this model.

Technical specifications

26 specifications

Identity
Brand	Soundcore
Model	A3874

Connectivity and controls
Wireless connection listed	Bluetooth
Bluetooth version	5.4
Listed range	10 meters
Control methods listed	Touch

Power and battery
Battery life listed	10 hours
Case-assisted battery life	42 hours
Case battery charging time	2 hours
Case battery capacity	750 milliamp_hours

Audio
Driver type	Dynamic Driver
Driver size	20 millimeters
Frequency range	20 Hz - 20 KHz
Impedance	16 ohm
Sensitivity	127.5 db

Dimensions and installation
Form factor	Open Ear
Dimensions listed	5.7 x 3.9 x 1.41 cm; 85 g
Weight listed	85 g
Case dimensions	8 centimetres x 6.7 centimetres x 25.1 millimeters
Case weight	65 g

Materials and protection
Water resistance listed	Waterproof
Additional protection claim	IP55 & Sweatproof
Ear hook shape	ear hook
Enclosure material	PC+ABS+LSR
Case material	PC+ABS

Other listed features
Microphones	4-Mic For Clear Calls

What to know before buying

Listing details to confirm

The listing is inconsistent about noise control, naming both “None” and “Transparency Mode,” and separately claims IP55 and “Waterproof” without clarifying their relationship. Treat the protection wording cautiously and confirm the exact rating and intended exposure before use. Battery figures are listing claims, not guaranteed runtimes. Translation requires soundcore app version 3.8.7 or later and current earbud firmware.

What’s in the box

Charging caseCheck selected pack
User manualIncluded

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 for outdoor exercise, walking or daily use.
Buyers looking for adjustable ear hooks and a claimed case-assisted 42-hour battery total.
People who want touch controls and Bluetooth connectivity for phones, tablets or laptops.

Less suited to

Listeners who need strong sound isolation or confirmed active noise cancellation.
Buyers who require a particular fit or proven long-term reliability, given the reported mixed experiences in these areas.

Soundcore AeroFit 2 A3874 Open-Ear Earbuds, Bluetooth 5.4 · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 3,891 ratings

5 stars71%71%
4 stars12%12%
3 stars4%4%
2 stars4%4%
1 star9%9%

Customer feedback praises sound quality, battery life and versatility, while experiences with fit, reliability, connectivity and durability are mixed. The positive battery comments align with the listing’s claimed 10-hour earbud and 42-hour case-assisted figures, but those figures are not customer-verified runtime guarantees. Fit matters especially for an open-ear hook design, so buyers should weigh the mixed reports if they need a consistently secure or comfortable fit.

Positive themes

Customers praise sound quality and battery life.
Customers also describe the earbuds as versatile.

Mixed feedback

Customer experiences with fit are mixed.
Feedback also reports mixed experiences with reliability, connectivity and durability.

Frequently asked questions

How long does the AeroFit 2 battery last?

The listing claims up to 10 hours from the earbuds and up to 42 hours with the charging case. Actual use may differ.

Do these earbuds block outside noise?

They have an open-ear design and the listing identifies noise control as none. It also mentions transparency mode, so the noise-control description is inconsistent. Do not assume they provide noise cancellation.

Can the ear hooks be adjusted?

The listing describes four adjustment positions and a rotatable hook structure. Customer feedback is mixed on fit, so an adjustable design may not suit every ear.

Does translation work without an app update?

The listing says translation requires soundcore app version 3.8.7 or later and the latest earbud firmware.