Soundcore AeroFit 2 A3874 Open-Ear Earbuds, Bluetooth 5.4

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Product guide

Soundcore AeroFit 2 A3874 Open-Ear Earbuds, Bluetooth 5.4

Soundcore AeroFit 2 A3874 are open-ear wireless earbuds with adjustable ear hooks, touch controls and Bluetooth 5.4. The open design suits listeners who want to remain aware of nearby sounds, while the listing gives conflicting battery-life figures that are worth checking before purchase.

At a glance

Open-ear design leaves the ear canal unobstructed, making these a consideration for outdoor listening where awareness of surroundings matters.
Four-position adjustable hooks are claimed to adapt to different ear shapes and support a more secure fit during exercise.
The listing claims 4 microphones for calls and supports LDAC audio in its feature text.
Translation is stated to require soundcore app version 3.8.7 or later and updated earbud firmware.

Price

$84.99Save 35%

Reference price: ~~$129.99~~

Price checked: Nov 13, 2026

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Often bought together

Case for Soundcore by Anker AeroFit 2 Open-Ear Headphones,Soft Protective,Shockproof, BOVUGAC Silicone Case Cover with Keychain & Cleaning Kit & Lanyard for Soundcore AeroFIT 2 2024-White

$13.89

Pros and cons

Pros

Adjustable ear hooks offer four fit positions, according to the listing.
Open-ear placement can suit walking, cycling and workouts when hearing surrounding sounds is useful.
Bluetooth 5.4 and touch controls are specified.

Cons

Open-ear earbuds do not seal the ear canal, so they are not designed to isolate the listener from ambient sound.

Technical specifications

33 specifications

Identity
Brand	Soundcore
Model	A3874
Colour	White
Form factor	Open Ear

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

Audio
Driver type	Dynamic Driver
Driver size	20 millimeters
Impedance	16 ohm
Frequency response	20 KHz
Sensitivity	127.5 db

Power and battery
Battery life listed	8.5 hours
Case battery life listed	42 hours
Case battery capacity	750 milliamp_hours
Earbud charge time listed	1 hours
Case charge time listed	2 hours

Dimensions and installation
Dimensions listed	5.7 x 3.9 x 1.41 cm; 85 g
Weight listed	85 g
Earbud shape	ear hooks
Case length	8 centimetres
Case width	6.7 centimetres
Case height	25.1 millimeters
Case weight	65 g

Materials and protection
Water resistance listed	Waterproof
Enclosure material	Plastic
Case material	PC+ABS

Other listed details
Noise control features	Wind Noise Reduction
Cable	Without Cable
Compatible devices	Tablets, Telephones, Desktops, Laptops, Smart Speakers
Country of origin	China

What to know before buying

Listing details to confirm

Battery claims conflict: the details list 8.5 hours per charge and 42 hours with the case, while the feature text claims up to 10 hours per charge and 42 hours with the case. Confirm the applicable playback conditions. The listing also labels water resistance as “Waterproof” while feature text specifies IP55 and sweatproof. Its driver size appears as 20 millimeters in the details but 20 x 11.5 mm in feature text. The 4-microphone claim is consistent, but microphone beamforming and call-noise processing are only feature claims. Translation requires the specified app and current earbud firmware.

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

Runners, cyclists and walkers who prefer an open-ear fit and want to hear some environmental sound.
Buyers who value adjustable ear hooks and are willing to check how the fit works for their ears.
Listeners who want wireless earbuds with a charging case and app-dependent translation.

Less suited to

People who need a sealed fit or strong passive isolation from surrounding noise.
Buyers who need a single, unambiguous battery-life figure or a clearly specified water-protection rating.

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 fit, reliability, connectivity and durability receive mixed reactions. That makes individual fit and connection consistency important considerations. The listing’s adjustable hooks and stated battery figures may be relevant to those concerns, but they do not establish how a particular buyer’s experience will be.

Positive themes

Customers praise sound quality and battery life.
Customers appreciate the earbuds’ versatility.

Mixed feedback

Customer feedback reports mixed experiences with fit.
Customer feedback reports mixed experiences with reliability, connectivity and durability.

Frequently asked questions

Do the AeroFit 2 earbuds block outside noise?

They use an open-ear design rather than an in-ear seal. The listing specifies no noise control, so they are not a choice for blocking ambient sound.

How long does the battery last?

The details state 8.5 hours for the earbuds and 42 hours with the case. Feature text instead claims up to 10 hours per charge and 42 hours with the case, so the single-charge figure is inconsistent.

Can the earbuds translate languages?

The listing claims real-time translation, but says it requires soundcore app version 3.8.7 or later and the latest earbud firmware.

Are these suitable for workouts?

The listing describes adjustable ear hooks for exercise and gives a waterproof rating, but also specifies IP55 and sweatproof. Check the exact protection claim and fit suitability before relying on them for a particular activity.