Soundcore AeroFit Pro Open-Ear Headphones: features, specs and fit

The Soundcore AeroFit Pro (model A3871) are open-ear wireless headphones. Instead of sealing the ear canal like regular earbuds, they sit outside it and direct sound towards the ear, which leaves your surroundings audible. They suit people who want music or podcasts while staying aware of what is happening around them, such as during a walk, a run or a day at the desk.

What "open-ear" means

Conventional earbuds block the ear canal with a tip, which isolates you from outside sound. Open-ear designs leave the canal open. Soundcore calls its approach Open-Ear Air Conduction, a design it says allows you to stay aware of your surroundings while you listen.

The trade-off is typical for this style: because nothing seals the ear, bass is usually lighter and sound can leak out at high volumes, so people nearby may hear it. Open-ear headphones also don't block noise, so loud environments can drown the audio.

Drivers and LDAC

Soundcore lists a 16.2mm titanium-coated diaphragm. A larger driver and a stiff coating are generally used to keep sound clear at a given volume. The headphones also support LDAC, a codec that transmits about three times more data than a standard Bluetooth link, according to Soundcore. You need a source device that supports LDAC to use it. Bluetooth 5.3 handles the connection.

Titanium ear hooks and fit

Each earpiece sits on a 0.7mm titanium memory-wire hook with soft materials where it touches the ear. Memory wire returns to its shape after bending, so the hooks adapt to the ear and hold their form. Soundcore describes the fit as comfortable and secure. The listing puts the weight at around 0.2 lb (about 90 g) for the packaged product, and the dimensions at 2.1 x 1.6 x 0.7 inches.

Battery life and quick charging

Soundcore quotes 14 hours of music on a single charge and up to 46 hours when you add the charging case. A rapid recharge feature gives 5.5 hours of playtime from 10 minutes of charging. As always, real playtime changes with volume and content.

Sweat and water protection

The headline specification is IP55. In the IP code system, the first digit (5) means protection against dust ingress in limited amounts, and the second (5) means protection against low-pressure water jets. The listing text also describes IPX5 water resistance with SweatGuard technology, designed to protect against sweat and water during workouts. These protection levels cover splashes and sweat, not swimming or submersion.

App control

An app provides control over the headphones. The listing does not detail every setting, so check the manual and app for available features.

Who they suit

They suit runners, cyclists on quiet routes and walkers who want to hear their environment, people who find in-ear tips uncomfortable, and anyone who wants to listen while still being able to talk to someone nearby.

What to check before you buy

• Fit: ear hooks vary in comfort. Consider whether glasses or a hat will interfere.
• Sound expectations: open-ear designs usually sound lighter in bass than sealed earbuds.
• Noisy places: because they don't block noise, they may be hard to hear on trains or in traffic.
• Privacy: at higher volumes, people nearby may hear your audio.
• LDAC: check that your phone supports it if you want to use it.
• Care: follow the manual for cleaning and drying after sweaty sessions.

The short version

• Open-ear Bluetooth 5.3 headphones with Open-Ear Air Conduction.
• 16.2mm titanium-coated driver and LDAC support.
• Titanium memory-wire hooks with soft contact materials.
• Up to 14 hours per charge and 46 hours with the case; 10 minutes of charging gives 5.5 hours.
• IP55 and SweatGuard protection for workouts.

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