Introduction
The Anker Soundcore C40i are innovative open-ear clip-on earbuds designed for comfortable, breathable listening. Featuring a flexible joint design, intuitive button controls, and advanced audio technologies, these earbuds provide a secure fit and high-quality sound for various activities. They are lightweight, water-resistant, and offer multipoint connectivity for seamless switching between devices.
What's in the Box
Ensure all items are present before beginning setup:
- Soundcore C40i Earbuds
- Charging Case
- M/L Ear Grips
- USB-C Cable
Setup
Wearing the Earbuds
For optimal sound and comfort, correctly position the earbuds:
- Position the speaker towards your ear canal.
- Slide the earbuds along your ear's outer edge for the most comfortable and secure fit.
- Once in place, start playing audio and adjust them slightly to achieve your optimal listening experience.
Attaching Ear Grips
For extra stability, especially during active use, attach the included ear grips:
- The package includes M and L size ear grips. If the earbuds feel loose, switch to the larger grips for a snugger, gap-free fit.
- Align the ear grip with the back of the earbud and gently press to secure it.
Charging
To charge your Soundcore C40i earbuds and charging case:
- Place the earbuds into the charging case. Close the case to begin charging the earbuds.
- Connect the charging case to a power source using the provided USB-C cable.
- A 10-minute charge provides 2 hours of playback.
Pairing
The Soundcore C40i supports Bluetooth 5.4 and multipoint connection:
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for "Soundcore C40i" in the list of available devices.
- Select "Soundcore C40i" to connect.
Multipoint Connection
To connect to two devices simultaneously:
- Connect the earbuds to the first device as described above.
- Disconnect the earbuds from the first device's Bluetooth settings (do not unpair).
- Connect the earbuds to the second device.
- Reconnect the earbuds to the first device from its Bluetooth settings. The earbuds should now be connected to both devices, allowing you to switch audio sources seamlessly.
Operating
Button Controls
The Soundcore C40i features intuitive physical buttons for easy control:
| Action | Music Playback | Phone Calls |
|---|---|---|
| Press Once | Play/Pause | Answer Call |
| Press Twice | Skip to Next Track | Reject Call |
App Customization
Personalize your listening experience using the Soundcore app:
- Download the Soundcore app from your device's app store.
- Connect your C40i earbuds to the app.
- Customize button controls to suit your usage habits.
- Adjust volume and EQ settings as needed.
- Activate 3D Surround Sound.
Sound Features
The Soundcore C40i offers enhanced audio experiences:
- 3D Surround Sound: Activate this feature through the Soundcore app to immerse yourself in captivating audio.
- AI-Enhanced Clear Calls: Equipped with a cutting-edge AI algorithm and two noise-reduction microphones, the C40i ensures your calls are always loud and clear.
Maintenance
Cleaning
To maintain optimal performance and hygiene:
- Gently wipe the earbuds and charging case with a soft, dry, lint-free cloth.
- Avoid using abrasive materials, alcohol, or chemical cleaners.
- Ensure no moisture enters the speaker openings or charging ports.
Storage
When not in use, store your earbuds:
- Always place the earbuds back into their charging case.
- Store the charging case in a cool, dry place, away from extreme temperatures and direct sunlight.
Water Resistance
The Soundcore C40i earbuds are IPX4 water-resistant:
- The IPX4 rating protects against water splashes from any direction.
- They are suitable for workouts and light rain.
- Do NOT submerge the earbuds in water or expose them to heavy rain or sweat for extended periods.
- The charging case is NOT water-resistant.
Troubleshooting
| Issue | Possible Solution |
|---|---|
| Earbuds won't turn on | Ensure earbuds are charged. Place them in the charging case and close the lid, then open again. |
| Cannot pair with device | Make sure Bluetooth is enabled on your device. Place earbuds in case, close, then open to re-enter pairing mode. Try forgetting the device on your phone and re-pairing. |
| No sound from earbuds | Check device volume and earbud volume. Ensure earbuds are properly connected to your device. Try playing different audio. |
| Charging case not charging | Ensure the USB-C cable is securely connected to both the case and a power source. Try a different cable or power adapter. |
| Sound quality is poor | Ensure earbuds are clean and properly seated in your ears. Check for interference from other wireless devices. Try adjusting EQ settings in the Soundcore app. |
Specifications
| Feature | Specification |
|---|---|
| Model | C40i (A3331) |
| Communication | True Wireless, Bluetooth 5.4 |
| Material | Plastic |
| Features | With microphone, Volume Control, Control Button |
| Active Noise-Cancellation | No |
| Vocalism Principle | Other |
| Origin | Mainland China |
| Certification | CE, Dot, EAC, EPA, FCC, GMP, RoHS, TGA, UL, KC, pse, weee, BQB, CB |
| Earbud Weight | 5.8 grams (each) |
| Drivers | 12mm x 17mm Racetrack Dynamic Drivers |
| Battery Life (Single Charge) | Up to 7 hours |
| Battery Life (with Charging Case) | Up to 21 hours |
| Fast Charging | 10 minutes charge = 2 hours playback |
| Water Resistance | IPX4 (earbuds only) |
| Flexible Joint Design | 0.5mm Memory Titanium Wire, retains shape after 10,000 bends |
User Tips
- Experiment with both M and L ear grips to find the most secure and comfortable fit for your ears. A good fit is crucial for optimal sound quality and stability.
- Utilize the Soundcore app to customize your listening experience, including adjusting EQ settings and remapping button functions to suit your preferences.
- For clear calls, ensure the microphones are not obstructed and that you are in a relatively quiet environment.
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Anker Soundcore website or contact their customer service directly. Keep your proof of purchase for warranty claims.
