1. Introduction
Thank you for choosing the EarFun Air Pro 4i Wireless Earbuds. These earbuds are designed to provide a superior audio experience with advanced features such as Active Noise Cancellation, Hi-Res Audio Wireless support, Bluetooth 5.4 connectivity, and a comfortable ergonomic design. This manual will guide you through the setup, operation, and maintenance of your new earbuds.
2. Package Contents
Please check that all items are present in your package:
- EarFun Air Pro 4i Wireless Earbuds (Left and Right)
- Charging Case
- USB-C Charging Cable
- Multiple sizes of Ear Tips (typically 5 sets)
- User Manual (this document)
- Warranty Card
Image: EarFun Air Pro 4i package contents.
3. Setup and First Use
3.1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Connect the USB-C charging cable to the charging port on the case and a power source. The indicator light on the case will show charging status.
- Headphone single-use battery life: 9.5 hours
- Endurance with charging box: 40 hours
- Quick Charge: Charge for 10 minutes, enjoy 2 hours of listening.
- Supports wireless charging.
Image: Charging the EarFun Air Pro 4i earbuds and case.
3.2. Pairing with Your Device
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "EarFun Air Pro 4i" in the list of available Bluetooth devices and select it to connect.
- A voice prompt will confirm successful connection.
Google Fast Pair: For Android devices, the earbuds support Google Fast Pair for quicker and seamless connection. Simply open the case near your Android device, and a pop-up notification will appear for quick pairing.
Image: Google Fast Pair feature.
3.3. Smart Dual-Device Connection
The EarFun Air Pro 4i supports simultaneous connection to two devices, allowing for flexible switching without re-pairing. This feature makes multi-task processing easy.
Image: Smart Dual Connection feature.
3.4. Wearing the Earbuds
Choose the ear tips that provide the best seal and comfort for optimal sound quality and noise cancellation. Insert the earbuds into your ears and gently twist them to secure a comfortable and stable fit.
Image: Ergonomic design for comfortable fit.
Image: Different ear tip sizes for optimal comfort.
4. Operating Controls
The EarFun Air Pro 4i features intuitive Smart Touch controls on each earbud. The following table outlines the key operations:
Image: Smart Touch Key Operations.
| Function | Action | Earbud |
|---|---|---|
| Play/Pause | Press 2 times | Left/Right ear |
| Previous song / Next song | Press 3 times | Left/Right ear |
| Volume Control | Press 1 time | Left/Right ear |
| Answer call | Press 2 times | Left/Right ear |
| Hang up the phone | Long press for 2 seconds | Left/Right ear |
| Active Noise Cancellation / Environmental Sound / General Mode | Long press for 2 seconds | Left ear |
| Summon Voice Assistant | Long press for 2 seconds | Right ear |
4.1. EarFun App
Download the "EarFun" app to unlock more intelligent control experiences. The app allows you to:
- Adjust noise reduction modes.
- Customize EQ settings.
- Set custom button functions.
- Access other exclusive sound experiences.
Image: EarFun App interface for customization.
5. Key Features
5.1. Superior Sound Quality
- 11mm Titanium-Coated Composite Diaphragm Dynamic Speaker: Delivers clear highs, powerful and dynamic lows, and balanced three frequencies for a rich audio experience.
- Hi-Res Audio Wireless Certification: Supports 96 kHz/24bit ultra-high transmission rate, preserving original vocal and music details for an authentic high-fidelity listening experience.
- LDAC Audio Decoding: Provides wireless playback of high-definition audio. (Note: LDAC is only compatible with Android devices and Android version 8.0 and above.)
- 360° Panoramic Surround Sound: Theater mode 3D surround sound technology compatible with Android and iOS devices, delivering an immersive audio experience.
- Customizable EQ: Tailor your sound profile through the EarFun app.
Image: 11mm Dynamic Speaker detail.
Image: LDAC Premium Sound Quality Certification.
Image: 360° Panoramic Surround Sound.
5.2. Advanced Noise Cancellation
- Dynamic Noise Reduction: A new algorithm boosts noise reduction capability by 30%, providing deeper and broader noise suppression.
- 6-mic AI Call Noise Reduction: Six microphones with AI algorithms accurately recognize human voices, distinguish environmental noise, and reduce ambient noise and wind noise for clear conversations.
- 3-Level Adaptive Noise Cancellation Modes:
- Deep Noise Reduction: Ideal for noisy environments like subway stations or airports.
- Comfortable Noise Reduction: Suitable for quieter settings such as libraries or gyms.
- Wind Noise Elimination: Designed for outdoor use, like walking or running on the street.
Image: Dynamic Noise Reduction capability.
Image: 6-mic AI Call Noise Reduction.
Image: 3-Level Adaptive Noise Cancellation Modes.
5.3. Connectivity and Other Features
- Bluetooth 5.4: Provides a faster and more stable connection with lower latency and faster transmission speeds.
- IP55 Waterproof: Adapts to more sports scenarios, resistant to sweat and light splashes.
- Low Latency Gaming Mode: Enhances your gaming experience with minimal audio delay.
- Smart Voice Assistant: Supports waking up Siri/Xiao Yi/Xiao Ai and other assistants.
Image: Bluetooth 5.4 upgrade.
Image: IP55 waterproof, Game Mode, Smart Voice Assistant, Google Fast Pair.
6. Specifications
Image: Product Parameters Overview.
| General | |
|---|---|
| Brand Name | EarFun |
| Product Model | Air Pro 4i |
| Material | ABS |
| Weight | 51.3g |
| Certification | CE |
| Audio | |
| Vocalism Principle | Dynamic |
| Active Noise-Cancellation | Yes |
| Audio Decoding | SBC/LDAC |
| Frequency Response Range | 20Hz-20kHz |
| Connectivity | |
| Wireless Type | Bluetooth |
| Communication | Wireless |
| Bluetooth Version | V5.4 |
| Connection Distance | 10M (Accessible) |
| Compatible System | iOS/Android/HarmonyOS |
| Battery & Charging | |
| Headphone Battery Capacity | 60mAh*2 |
| Charging Case Battery Capacity | 520mAh |
| Single Ear Use Time | 9.5 hours |
| Total Playtime (with case) | 40 hours |
| Power Interface | Type-C |
| Durability | |
| Waterproof Rating | IP55 |
7. Troubleshooting
- Earbuds not pairing: Ensure earbuds are charged and in pairing mode. Turn off and on Bluetooth on your device. Try resetting the earbuds (refer to the EarFun app or official support for specific reset instructions).
- Only one earbud working: Place both earbuds back in the charging case, close the lid, then open it again. Ensure both earbuds are charged. Re-pair the earbuds with your device.
- Poor sound quality: Ensure ear tips provide a good seal. Clean any debris from the earbud nozzles. Check if LDAC is enabled on your Android device for higher quality audio.
- Noise cancellation not effective: Ensure earbuds are properly seated in your ears. Try different ear tip sizes for a better seal. Adjust ANC modes via the EarFun app.
- Earbuds not charging: Ensure the charging cable is securely connected and the power source is active. Clean the charging contacts on both the earbuds and the case.
8. User Tips
No specific user tips from reviews or Q&A were provided for this product. However, general tips for wireless earbuds include:
- Regularly clean your earbuds and charging case to maintain hygiene and performance.
- Experiment with all provided ear tip sizes to find the best fit for comfort and sound isolation.
- Keep the EarFun app updated for the latest features and firmware improvements.
- Store earbuds in their charging case when not in use to protect them and keep them charged.
9. Warranty and Support
For warranty information and technical support, please refer to the warranty card included in your package or visit the official EarFun website. You may also contact the seller, Giraffe Digital Store, for assistance.
The product comes with an extra long warranty of 18 months upon scanning the code provided in the package.
