Soundcore AeroFit 2 A3874 Open-Ear Earbuds, Bluetooth 5.4, IP55

Product specs

The Soundcore AeroFit 2 A3874 use an open-ear design to let you listen while staying aware of the sounds around you. Four-position adjustable ear hooks help tailor the fit for everyday wear, walks and workouts, while Bluetooth 5.4 provides wireless connection to compatible phones, tablets and laptops.

They pair 20 x 11.5 mm racetrack drivers with BassTurbo acoustics for rich bass, clear mids and vivid treble. LDAC support enables Hi-Res wireless audio, and four microphones with AI-assisted call features help make conversations clearer in busy settings.

• Type: Open-ear wireless earbuds
• Model: A3874
• Bluetooth: Version 5.4
• Protection: IP55
• Battery life: Up to 10 hours per charge, up to 42 hours with the charging case
• Charging: Case supports wireless charging

How to use it

Pair the earbuds with a Bluetooth-enabled device for music, calls or other audio. Their open-ear placement keeps your ears uncovered, making them useful when you want to enjoy a playlist but remain attuned to nearby activity—for example, during a neighbourhood walk or a workout. Rotate and adjust the ear hooks among their four positions to find a comfortable, stable placement for your ears.

For calls, the four-microphone system combines beamforming, wind-blocking meshes and environmental noise reduction. The soundcore app also offers real-time translation in more than 100 languages, this feature requires app version 3.8.7 or later and the latest earbud firmware. Need a quick way to top up between outings? The case can be placed on a wireless charger, and provides up to 42 hours of total playtime with the earbuds.

Buyers often praise the sound, battery life and versatility for music and calls. Feedback on fit and connectivity is mixed, so the adjustable hooks are a useful part of getting a personal fit. A solid pick if open-ear listening and adaptable ear hooks suit your routine.

Practical tips

Start with the hook position that feels secure without pressing uncomfortably, then adjust as needed for your activity. The open-ear format is especially practical for walking, cycling and exercising when awareness of your surroundings matters. For translation, update both the soundcore app and earbud firmware as required, then use the app’s translation feature. When listening at home or at work, the same earbuds can switch between music and calls on compatible Bluetooth devices.

What to clarify

How long can I listen before recharging? The earbuds offer up to 10 hours on a single charge, with up to 42 hours of total playtime when using the charging case.

Can I use the translation feature straight away? Real-time translation supports more than 100 languages through the soundcore app. It requires app version 3.8.7 or later and the latest earbud firmware.

What devices can I connect? They connect wirelessly over Bluetooth and are listed as compatible with smartphones, tablets, laptops and other Bluetooth-enabled devices.

Buying verdict

Choose the AeroFit 2 A3874 for the combination of open-ear awareness, adjustable hooks and detailed wireless audio. Its long total playtime, IP55 rating and four-microphone call system make it suited to daily listening that moves between work, travel and exercise, while app-based translation adds another practical use for multilingual conversations.