Soundcore Aerofit Pro (A3871G21)

Name: Soundcore Aerofit Pro A3871G21
Brand: Soundcore

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Soundcore Aerofit Pro

2024Aerofit true wireless voice assistant Bluetooth v5.3 AAC LDAC waterproof

Type:open-ear, for active sports

Connection:Bluetooth v5.3

Кодеки:AAC, LDAC

Frequencies:20 – 20000 Hz

Battery:105 mAh, up to 14 h, with case 46 h

Long battery life (with case). Detachable neck mount. Supports surround sound and LDAC codec.

The representative of the Aerofit line by the Soundcore brand is a mid-range TWS earphone, designed for active sports. They are made in an open-ear form factor, meaning they don't completely cover the ear, thus providing a natural transparency mode — allowing normal audibility of surrounding sounds (vehicles, people, etc.). For convenient and secure fit without the risk of falling out, the design features special over-ear hooks.

Additionally, the package includes a detachable cable for neck fixation, designed to eliminate the risk of loss during intense exercises and frequent head movements. Another confirmation of the model's sports orientation is the high-quality IPX5 waterproof protection. The Soundcore Aerofit Pro headphones are equipped with 16.2-mm dynamic drivers, providing a wide soundstage and rich bass.

The high sound quality is further confirmed by the support of the advanced LDAC codec. The model also features virtual surround sound technology, and personalized settings are available through the brand's proprietary app. The model supports auto-pause, Multipoint, and high-quality voice calls thanks to a system of 4 microphones with AI algorithms that enhance speech clarity. Another advantage is the good battery life, as you can expect 14 hours of continuous music playback without the charging case, and a total of up to 46 hours with it.

There's also fast charging: 10 minutes of USB-C charging provides up to 5.5 hours of additional use. Key Selling Points: - Open-ear form factor for natural sound transparency - Secure over-ear hooks and a detachable neck cable for stability - IPX5 waterproof protection ideal for sports - Equipped with 16.2-mm dynamic drivers for a rich sound experience - LDAC codec support for high-quality sound - Virtual surround sound and personalized settings via app - 14-hour battery life (up to 46 hours with case) and fast charging capabilities

All specifications

Specifications Aerofit Pro

Connection and design
Features	for active sports
Design	open (open ear) behind the ear neck strap / removable /
Connection type	wireless
Connection	Bluetooth v5.3
Range	10 m


Specs
Impedance	32 Ohm
Frequency range	20 – 20000 Hz
Speaker size	16.2 mm
Emitter type	dynamic


Microphone specs
Microphone	built into the case
Number of microphones	2 pcs in each earphone
Microphone noise canceling	ENC


Features
Mobile app
Autopause
Multipoint
Codec support	AAC LDAC
Voice assistant	Google Assistant
Headphone search

Power supply
Power source	battery
Headphone battery capacity	105 mAh
Case battery capacity	750 mAh
Charging time	2 h
Operating time (music)	14 h
Operating time (with case)	46 h
Fast charge	10 minutes for 5.5 hours of work
Charging port	USB-C


General
Waterproof	IPX5
Weight	12 g
In box	charging case
Official Website	us.soundcore.com
Added to E-Catalog	March 2024
P/N	A3871G21

E-Catalog UK editor, Headphones

Olexandr Cherkashchenko, edited 08.04.2026

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Soundcore 2026 - new arrivals, bestsellers, and the most relevant models Soundcore.

Everything You Need to Know About Headphones: A Complete Technical GuideThe choice begins with understanding the design and features.

What characteristics should good headphones have?Guide to key features of headphones

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	Soundcore Aerofit Pro Wireless Sport Headphones Soundcore AeroFit Pro Wireless Sport HeadphonesExperience Unrivaled Open-Ear Comfort and Powerful Sound for Your Active Lifes... moretyleRevolutionize your workout and daily listening with the Soundcore AeroFit Pro, the ultimate wireless sport headphones designed for those who refuse to compromise. Engineered with a groundbreaking open-ear design, these headphones rest gently and securely on top of your ears, leaving your ear canals completely open. This innovative approach allows you to enjoy rich, private audio while maintaining full situational awareness—perfect for runners, cyclists, and commuters who need to stay connected to their surroundings for safety. Experience air-like comfort with an ergonomic, non-intrusive fit that feels weightless, even during the most extended training sessions or all-day wear.Secure, Adaptable Fit for Maximum PerformanceThe Soundcore AeroFit Pro is built to move with you, no matter how intense your activity gets. The ultra-soft, flexible ear hooks are crafted from premium materials that conform to the natural shape of your ears, providing an exceptionally stable and comfortable fit that will not budge. For those seeking the highest level of security during vigorous exercise, the included detachable and adjustable neckband offers an extra layer of stability, ensuring your headphones stay perfectly in place through every jump, sprint, and burpee. This dual-fit system makes the AeroFit Pro the most versatile sport headphones for any challenge.Superior Audio Fidelity Meets Open-Ear FreedomDo not let the open-ear design fool you, the AeroFit Pro delivers a robust and immersive sound experience that defies expectations. Featuring oversized 16.2mm drivers with titanium-coated domes, these headphones produce crystal-clear highs, balanced mids, and surprisingly deep, resonant bass. With support for high-resolution LDAC technology, you can stream audio with exceptional detail and clarity. Furthermore, the built-in dynamic head tracking and spatial audio algorithm creates a three-dimensional soundstage that adapts to your movements, enveloping you in sound from all directions for a truly cinematic listening experience.Built to Endure with All-Day PowerDesigned to withstand the elements and the toughest workouts, the Soundcore AeroFit Pro boasts an IPX5 water-resistant rating, protected by Soundcore´s exclusive SweatGuard™ technology. This robust construction ensures your headphones are safe from sweat, rain, and splashes. Power through multiple workouts with an extraordinary 14 hours of playtime on a single charge. The compact charging case extends the total listening time to an impressive 46 hours, and a quick 10-minute charge provides up to 5.5 hours of playback. Stay connected with crystal-clear calls thanks to a 4-microphone array and an advanced AI algorithm that isolates your voice from background noise.Main Features* Open-Ear Design with Air Conduction Technology for Comfort and Awareness* Flexible, Ergonomic Ear Hooks Bikeinn Delivery: in United Kingdom Report		£132.99 Buy in shop

	SOUNDCORE AeroFit Pro Open-Ear Wireless Bluetooth Earbuds - Aqua Blue, Blue These Soundcore earbuds are perfect for your daily runs. The secure-fit ear hooks make sure they stay put while running a mar... moreathon. And its open-ear design lets you stay safe and connected with the world around you. Plus, you can go ahead and work up a sweat - these are IPX5 water-resistant, they can handle intense workouts or rains. Good to know - The 16.2 mm drivers and LDAC will give you seriously rich sound - Get your tunes sounding just right by fiddling with EQs in the Soundcore App - Bluetooth Multipoint lets you stay connected to 2 devices and intelligently identifies the active stream - You get up to 14 hours of audio and a quick charge squeezes out 5.5 more Currys.co.uk Delivery: to United Kingdom Report		£140.00 Buy in shop

	SOUNDCORE AeroFit Pro Open-Ear Wireless Bluetooth Earbuds - Midnight Black A3871G11 True wireless earbuds with ear-hooks Battery life: Up to 14 hours (46 hours with case) Water & sweat resistant... moreQuick charging Microphone / volume / playback & functions control 2 year guarantee SOUNDCORE AeroFit Pro Open-Ear Wireless Bluetooth Earbuds - Midnight Black Business.Currys.co.uk Delivery: to United Kingdom Report		£148.99 Buy in shop

	SOUNDCORE AeroFit Pro Open-Ear Wireless Bluetooth Earbuds - Midnight Black, Black These Soundcore earbuds are perfect for your daily runs. The secure-fit ear hooks make sure they stay put while running a mar... moreathon. And its open-ear design lets you stay safe and connected with the world around you. Plus, you can go ahead and work up a sweat - these are IPX5 water-resistant, they can handle intense workouts or rains. Good to know - The 16.2 mm drivers and LDAC will give you seriously rich sound - Get your tunes sounding just right by fiddling with EQs in the Soundcore App - Bluetooth Multipoint lets you stay connected to 2 devices and intelligently identifies the active stream - You get up to 14 hours of audio and a quick charge squeezes out 5.5 more Currys.co.uk Delivery: to United Kingdom Report		£149.00 Buy in shop

	Soundcore AeroFit Pro Headset Wireless Ear-hook Calls/Music/Sport/Everyday Bluetooth Black A3871G11 Air-Like comfort with open-ear design. Ultra-soft materials with a gentle finish. Snug and secure fit with flexible ear hooks... more. Extra stability via detachable neckband. Robust bass via 16.2mm oversized drivers. True spatial audio and LDAC technology support. IPX5 water-resistant with SweatGuard™️. TCO Certified: For Better Sustainability. Open-Ear Air Conduction: AeroFit Pro open-ear headphones utilize a non-intrusive design to eliminate discomfort and allow you to enjoy a breathable listening experience. Air conduction delivers richer audio, superior to that of bone conduction.. Soft, Snug, and Stable: Ergonomically designed ear hooks, built with premium quality 0.7mm thick titanium memory wire, conform to the shape of any and all ears. Each ear hook is made from ultra-soft materials with a gentle finish for total comfort.. Open Listening, Uncompromising Sound: AeroFit Pro open-ear headphones feature a 16.2mm oversized, titanium-coated diaphragm for robust bass and true spatial audio. With LDAC technology support, it offers high-fidelity music and unexpected sound quality.. IPX5 Water Resistant with SweatGuard: AeroFit Pro uses nano-coating and a unique chamber design for complete protection. Its top-notch waterproof and sweatproof performance is ideal for any exercise, from light jogging to intense workouts.. Experience Uninterrupted Entertainment: Enjoy 14 hours of play on a single charge, extending to a total of 46 hours with the charging case. Better yet, a quick 10-minute charge delivers an impressive 5.5 hours of nonstop audio. Performance. Suggested gender. Boy/Girl. Recommended age group. Adult. International Protection (IP) code. IPX5. Designed for children. No. Control type. Buttons. Control unit type. On-ear control unit. Volume control. Button. Colour name. Midnight Black. Operating keys. Answer/end call, Play/Pause, Reject call, Track , Volume +, Volume -. Product colour. Black. Headset type. Binaural. Recommended usage. Calls/Music/Sport/Everyday. Wearing style. Ear-hook. Product type. Headset. Ports & interfaces. Wireless range. 10 m. Bluetooth profiles. AAC, LDAC, SBC. Bluetooth version. 5.3. Bluetooth. Yes. Connectivity technology. Wireless. Headphones. Driver unit. 1.62 cm. Number of drivers. 2. Ear coupling. Intraaural. Microphone. Microphone type. Built-in. Battery. Battery charge indicator. Yes. Fast charging time. 10 min. Fast charging. Yes. Battery capacity (charging case). 750 mAh. Battery recharge time (charging case). 2 h. Continuous audio playback time (with charging case). 46 h. Continuous audio playback time. 14 h. Right earpiece battery capacity. 105 mAh. Left earpiece battery capacity. 105 mAh. Battery type. Built-in battery. Sustainability. Sustainability certificates. TCO. Weight & dimensions. Weight. 88.74 g. Height. 19.3 mm. Depth. 54 mm. Width. 40.2 mm. Packaging content. Cables included. USB Type-C. Carrying case. Yes. AC adapter included. Yes. Power. USB Type-C charging port. Yes. Required charging power Backtotheoffice.co.uk Delivery: in United Kingdom Report		£152.99 Buy in shop

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Popular questions

Verified 4 september, Olexandr Cherkashchenko

Can you work out in the rain without worrying about sweat?

The Soundcore Aerofit Pro have an IPX5 rating, so they are designed to withstand sweat and light splashes of water. Do not submerge them in water or rinse them under a strong stream of water.Source:SpecificationsExpert reviews

Are the Soundcore Aerofit Pro suitable for running in the city?

Yes, the open design helps you hear what's happening around you without transparency mode. This is convenient for running and cycling, but in a noisy environment, the music will blend more with external sounds.Source:SpecificationsExpert reviews

How long does the charge last with normal use?

Soundcore Aerofit Pro are rated for 14 hours of music playback from the earbuds themselves and up to 46 hours with the case. In one test, they lasted 17 hours and 25 minutes, but the final result depends on the volume and selected codec.Source:SpecificationsExpert reviews

Will the Soundcore Aerofit Pro fall out during an active workout?

The behind-the-ear attachments hold the headphones securely, while the detachable adjustable neckband provides added confidence during intense movement. Glasses wearers should try on the headphones to check the fit: the ear hooks may overlap with the temples of the frames.Source:SpecificationsExpert reviews

Will there be enough bass for energetic music during workouts?

Soundcore Aerofit Pro offer a wide stereo soundstage and clear midrange frequencies, but deep bass is limited by the open fit. They are better suited to those who prioritize hearing their surroundings over a powerful low-frequency response.Source:Expert reviews

Can you have a normal phone conversation outdoors with the Soundcore Aerofit Pro?

In a quiet environment, the ENC microphones provide clear voice transmission. On a busy street and in windy conditions, the quality noticeably deteriorates, so they are not the most convenient option for long conversations in such conditions.Source:SpecificationsExpert reviews

If you have small ears, should you consider the AeroFit 2 instead?

Soundcore Aerofit Pro use a one-size fit, whereas the AeroFit 2 features an adjustment that helps bring the speaker closer to the ear. For smaller ears, the newer model may be more comfortable, although the open design still involves a trade-off in bass.Source:Expert reviews

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