Soundcore AeroFit 2 by Anker Open-Ear Headphones with Sleep A20 User Manual

1. Product Overview

The Soundcore AeroFit 2 by Anker Open-Ear Headphones and Sleep A20 are designed to provide a versatile audio experience, combining open-ear listening for environmental awareness with specialized features for sleep comfort and noise masking. The AeroFit 2 offers all-day comfort with adjustable ear hooks and rich, Hi-Res wireless audio. The Sleep A20 earbuds are engineered for peaceful sleep, featuring a 4-point noise masking system and a pressure-free design ideal for side sleepers.

Image: The Soundcore AeroFit 2 open-ear headphones (left) and the Soundcore Sleep A20 earbuds (right), showcasing both products included in this manual.

2. What's in the Box

• Soundcore AeroFit 2 Open-Ear Headphones
• Soundcore Sleep A20 Earbuds
• Charging Case for Sleep A20
• USB-C Charging Cable
• Quick Start Guide
• Safety Card

3. Initial Setup

3.1 Charging Your Devices

Before first use, fully charge both your AeroFit 2 headphones and Sleep A20 earbuds. The Sleep A20 earbuds charge inside their charging case. Use the provided USB-C cable to connect the charging case or AeroFit 2 headphones to a power source.

• AeroFit 2: Connect the USB-C cable directly to the charging port on the headphones.
• Sleep A20: Place the earbuds into their charging case. Connect the USB-C cable to the charging case.

3.2 Bluetooth Pairing

To pair your Soundcore devices with your smartphone or other Bluetooth-enabled device:

1. Ensure the headphones/earbuds are charged.
2. For AeroFit 2, power on the headphones and they will automatically enter pairing mode (indicated by a flashing LED). For Sleep A20, open the charging case with the earbuds inside.
3. On your device, go to Bluetooth settings and select "Soundcore AeroFit 2" or "Soundcore Sleep A20" from the list of available devices.
4. Once connected, the LED indicator will turn solid, and you will hear an audible confirmation.

For optimal experience, download the Soundcore app from your device's app store. The app provides additional features, customization options, and firmware updates.

4. Operation

4.1 Soundcore AeroFit 2 Controls

The AeroFit 2 headphones feature intuitive controls for managing your audio and calls. Specific button functions can often be customized via the Soundcore app.

• Play/Pause: Single press on either earbud.
• Next Track: Double press on the right earbud.
• Previous Track: Double press on the left earbud.
• Volume Up/Down: Long press on the right/left earbud respectively.
• Answer/End Call: Single press on either earbud.
• Reject Call: Long press on either earbud.
• Activate Voice Assistant: Triple press on either earbud (customizable).

4.2 Soundcore Sleep A20 Features

The Sleep A20 earbuds are specifically designed to aid sleep through advanced noise masking and comfort features.

• 4-Point Noise Masking System: Combines physical noise blocking from twin-seal ear tips with active sound masking generated by internal drivers.
• Smart Volume Control: Automatically adjusts audio levels to prevent unwanted noise from disturbing your sleep.
• Passive Noise Blocking: The design of the ear tips provides enhanced passive noise isolation.

Image: An exploded view diagram illustrating the components of the Soundcore Sleep A20 earbuds, highlighting the twin-seal ear tips, drivers for noise masking sounds, and smart volume control, which together form the 4-point noise masking system.

Note: Sleep A20 earbuds do not feature Active Noise Cancelling (ANC) or a microphone for calls.

5. Comfort and Fit

5.1 Soundcore AeroFit 2 Wearing Instructions

The AeroFit 2 headphones are designed for all-day comfort with adjustable ear hooks and an open-ear design that allows you to stay aware of your surroundings.

Image: A woman wearing the Soundcore AeroFit 2 open-ear headphones, demonstrating their comfortable and non-intrusive fit for all-day listening while maintaining environmental awareness.

Image: A detailed view of the Soundcore AeroFit 2 ear hook, illustrating its adjustable positions and double-curved surface designed for a pressure-free and snug fit.

Gently adjust the ear hooks to ensure a snug yet comfortable fit around your ears. The double-curved surface and adjustable positions allow for personalized comfort.

5.2 Soundcore Sleep A20 for Side Sleepers

The Sleep A20 earbuds are engineered with side sleepers in mind, utilizing Soundcore's Air Wing and a 3D ergonomic design wrapped in an ultra-soft material to provide pressureless comfort.

Image: A person sleeping comfortably on their side while wearing the Soundcore Sleep A20 earbuds, demonstrating the low-profile and pressure-free design suitable for side sleepers.

6. Audio Quality

Both AeroFit 2 and Sleep A20 are designed to deliver high-quality audio, though with different primary focuses.

6.1 AeroFit 2 Rich Sound

The AeroFit 2 headphones are equipped with 20mm × 11.5mm racetrack drivers and Soundcore-engineered BassTurbo technology, providing deep bass, clear mids, and vivid treble. They support Hi-Res wireless audio, refined by LDAC, for an immersive listening experience.

Image: A diagram showing the internal structure of the Soundcore AeroFit 2, highlighting the 20mm x 11.5mm racetrack diaphragm and the BassTurbo acoustic structure designed to deliver vibrant bass.

Image: The Soundcore AeroFit 2 headphones displayed alongside the Hi-Res Audio Wireless and LDAC logos, indicating their capability for high-fidelity wireless sound.

7. Battery Life

Enjoy extended listening and sleep sessions with the impressive battery life of your Soundcore devices.

Image: The Soundcore Sleep A20 earbuds in their open charging case, with large numbers indicating 14 hours of playtime on a single charge and 80 hours total playtime with the charging case. A note clarifies that battery playtime is tested at 50% volume.

• Sleep A20: Up to 14 hours on a single charge, and up to 80 hours with the charging case.
• AeroFit 2: Up to 42 hours playtime (as per product title, specific breakdown not in images).

Note: Battery playtime is tested at 50% volume in the Soundcore lab. Actual playtime may vary due to volume, audio source, environment, and usage.

8. Care and Maintenance

Proper care ensures the longevity and performance of your Soundcore headphones and earbuds.

• Cleaning: Regularly wipe the headphones and earbuds with a soft, dry, lint-free cloth. For ear tips, you may use a slightly damp cloth and mild soap, ensuring they are completely dry before reattaching.
• Storage: Store your devices in their charging case or a protective pouch when not in use to prevent damage.
• Water Resistance: The AeroFit 2 headphones are IP55 water resistant, meaning they are protected against dust and low-pressure water jets. Avoid submerging them in water. The Sleep A20 earbuds are not specified for water resistance, so avoid contact with liquids.
• Temperature: Avoid exposing the devices to extreme temperatures (hot or cold) or high humidity.

9. Troubleshooting

If you encounter issues with your Soundcore AeroFit 2 or Sleep A20, refer to the table below for common problems and solutions.

If the issue persists, please refer to the Soundcore app for further assistance or contact customer support.

10. Technical Specifications

11. Warranty and Customer Support

Soundcore products come with a limited warranty. For detailed warranty information, please refer to the warranty card included with your product or visit the official Soundcore website.

For technical support, frequently asked questions, or to contact customer service, please visit the Soundcore support page or the official Soundcore store:

Visit the Official Soundcore Store