1 / 7Soundcore AeroFit 2 A3874 Open-Ear Earbuds, Bluetooth 5.4
Soundcore AeroFit 2 A3874 are open-ear wireless earbuds with adjustable ear hooks and Bluetooth 5.4. Their non-in-ear design is aimed at listeners who want to remain aware of their surroundings, while the listed battery life is 10 hours per charge and up to 42 hours with the case according to the product claims.
At a glance
- Open-ear design leaves the ear canal unobstructed, supporting awareness of nearby sounds.
- Four-position adjustable ear hooks are claimed to tailor fit and stability for exercise.
- The listing claims up to 10 hours of music on a charge and 42 hours with the case.
- The case is described as supporting wireless recharging.
- The listing claims four microphones for calls and translation support through the soundcore app.
Reference price: $129.99
Price checked: Nov 12, 2026
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Pros and cons
Pros
- Open-ear construction may suit outdoor activities where hearing nearby sounds matters.
- Adjustable ear hooks provide multiple fit positions rather than a fixed hook shape.
- The claimed 10-hour earbud runtime and 42-hour case-assisted total can reduce charging frequency.
- Customer feedback reports positive impressions of sound quality and battery life.
Technical specifications
26 specifications| Brand | Soundcore |
|---|---|
| Model | A3874 |
| Colour | Blue |
| Form factor | Open Ear |
| Driver type | Dynamic Driver |
|---|---|
| Driver size | 11.5 millimeters |
| Frequency range | 20 Hz - 20,000 Hz |
| Impedance | 16 ohm |
| Sensitivity | 127.5 db |
| Wireless connection listed | Bluetooth |
|---|---|
| Bluetooth version | 5.4 |
| Bluetooth range | 15 meters |
| Control methods listed | Touch |
| Headphone jack | No Jack |
| Battery life listed | 10 hours |
|---|---|
| Case battery life listed | 42 hours |
| Earbud charging time | 1 hours |
| Case charging time | 2 hours |
| Case battery capacity | 750 milliamp_hours |
| Dimensions listed | 5.7 x 3.9 x 1.41 cm; 85 g |
|---|---|
| Weight listed | 85 g |
| Case dimensions | 8 centimetres long, 6.7 centimetres wide, 25.1 millimeters high |
| Case weight | 65 g |
| Water resistance listed | Waterproof |
|---|---|
| Case material | PC+ABS |
| Enclosure material | Plastic |
What to know before buying
Listing details to confirm
Listing details are inconsistent about the case's charging method: one feature claim says wireless charging, while the supplied connection and charging specifications do not confirm it. The listing also calls the earbuds waterproof but provides no specific protection rating, so do not assume a particular level of water protection. Translation requires soundcore app version 3.8.7 or later and the latest earbud firmware. Battery figures are manufacturer claims, not guaranteed runtime.
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 for walks, cycling, or workouts.
- Buyers who want adjustable ear hooks and touch controls.
- People looking for wireless earbuds with a claimed 10-hour per-charge runtime and case-assisted 42-hour total.
Less suited to
- Listeners seeking stated active noise cancellation or an in-ear seal. The supplied listing gives no noise control and describes an open-ear design.
- Buyers who need a confirmed protection rating or verified wireless charging support.
Customer reviews on Amazon
- 5 stars
71% 71% - 4 stars
12% 12% - 3 stars
4% 4% - 2 stars
4% 4% - 1 star
9% 9%
Customer feedback reports favourable impressions of sound quality, battery life, and versatility, while experiences with fit, reliability, connectivity, and durability are mixed. The adjustable hooks may help tailor the fit, and the claimed battery figures suit longer listening sessions, but neither resolves the reported variation in personal fit or reliability. Aggregate ratings are generally positive, but ratings alone do not explain individual experiences.
Positive themes
- Customer feedback highlights sound quality and battery life.
Mixed feedback
- Customer feedback describes mixed experiences with fit, reliability, connectivity, and durability.
Frequently asked questions
Are the AeroFit 2 in-ear earbuds?
No. The listing describes an open-ear design with angled, adjustable ear hooks rather than an in-ear fit.
How long does the battery last?
The listing claims 10 hours per charge and 42 hours with the case. Actual runtime can vary, and these figures are product claims.
Can the case charge wirelessly?
A feature description claims wireless recharging, but the provided charging specifications do not confirm the method. Check the selected listing details before relying on it.
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.
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