Introduction
Welcome to the user manual for your Soundcore AeroFit Open-Ear Headphones. These headphones are designed to provide unmatched comfort and allow you to stay aware of your surroundings while enjoying high-quality audio. Featuring a non-intrusive design, ergonomic ear hooks, and advanced sound technology, AeroFit is perfect for all-day wear and various activities.

Image: Soundcore AeroFit Open-Ear Headphones and their charging case.
What's in the Box
- AeroFit Open-Ear Headphones
- Charging Case
- USB-C Charging Cable
- User Manual
Image: All items included in the Soundcore AeroFit package.
Setup
1. Charging
Before first use, fully charge the headphones and the charging case. Connect the USB-C cable to the charging port on the case and a power source. The indicator lights on the case will show the charging status.
2. Power On/Off
The headphones automatically power on when removed from the charging case and power off when placed back into the case and the lid is closed.
3. Pairing
- Open the charging case. The headphones will automatically enter pairing mode.
- On your device, enable Bluetooth and search for "Soundcore AeroFit".
- Select "Soundcore AeroFit" to connect. Once connected, you will hear an audible confirmation.
4. Wearing the Headphones
Gently place the ear hook over your ear, ensuring the speaker portion rests comfortably near your ear canal without entering it. Adjust for a snug and secure fit. The flexible ear hooks are designed for comfort and stability during various activities.
Image: Proper placement of the AeroFit headphones for optimal comfort and sound.
Image: Side view of a person wearing the headphones, highlighting their small-ear friendly and ergonomic design.
Operating
Touch Controls
The Soundcore AeroFit headphones feature intuitive touch controls for managing playback, calls, and voice assistants. Specific functions can be customized via the Soundcore app.
Calls
AeroFit headphones are equipped with 4 microphones and an AI Noise Reduction Algorithm to ensure clear call quality, even in noisy environments. Simply use the touch controls to answer, end, or reject calls.
Image: The dual headphones highlighting the 4-mic setup for enhanced call clarity.
Multipoint Connection
AeroFit supports dual connection, allowing you to seamlessly switch between two paired devices, such as a smartphone and a laptop, without needing to re-pair. Manage connected devices through the Soundcore app.
Image: Headphones connected to multiple devices, demonstrating the multipoint feature.
Soundcore App Control
Download the Soundcore app to unlock the full potential of your AeroFit headphones. The app allows for personalized EQ settings, touch control customization, firmware updates, and more.
Image: The Soundcore app interface, showcasing customization options for your headphones.
Maintenance
Cleaning
Regularly clean your headphones with a soft, dry cloth. For deeper cleaning, especially after intense workouts, you can rinse them under fresh water as they are IPX7 waterproof. Ensure they are completely dry before placing them back in the charging case.
Image: Headphones in water, illustrating their IPX7 waterproof capability.
Storage
When not in use, store the headphones in their charging case to protect them from dust and damage, and to keep them charged for your next use.
Troubleshooting
| Issue | Solution |
|---|---|
| Headphones not pairing | Ensure headphones are charged. Place them back in the case, close the lid, then open it again to re-enter pairing mode. Check your device's Bluetooth settings. |
| No sound or low volume | Adjust volume on both headphones and connected device. Ensure headphones are properly seated on your ears. Check Soundcore app EQ settings. |
| Poor call quality | Ensure microphones are not obstructed. Move closer to your connected device. Check for environmental noise. |
| Headphones not charging | Check USB-C cable and power adapter. Ensure charging contacts on headphones and case are clean and dry. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | Soundcore AeroFit Open-Ear Headphones |
| Model Number | A3872 |
| Connectivity Technology | Wireless (Bluetooth 5.3) |
| Ear Placement | Open Ear |
| Earpiece Shape | Ear hook |
| Control Type | Touch Control |
| Battery Life | Up to 11 hours (single charge), 42 hours (with charging case) |
| Charging Time | 1 Hour (headphones) |
| Water Resistance Level | IPX7 Waterproof (SweatGuard) |
| Item Weight | 1.41 ounces (40 Grams) |
| Product Dimensions | 1.8 x 1.54 x 0.63 inches |
| Audio Driver Type | Dynamic Driver (Composite diaphragms with titanium-coated domes) |
| Frequency Range | 20-20kHz |
| Noise Control | None (Open-Ear Design) |
Warranty and Support
For specific warranty information, please refer to the warranty card included in your product packaging or visit the official Soundcore website. For further assistance, troubleshooting, or to contact customer support, please visit the Soundcore support page.
You can also refer to the official User Guide PDF for more detailed instructions: Soundcore AeroFit User Guide (PDF)





