Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your EarFun Air Pro 4 Adaptive Hybrid Noise Canceling Wireless Earbuds. Please read this manual thoroughly before using your earbuds to ensure optimal performance and longevity.
The EarFun Air Pro 4 earbuds are designed to deliver a superior audio experience with advanced features such as Qualcomm Snapdragon Sound with aptX Lossless, adaptive hybrid active noise canceling up to 50dB, and crystal-clear call quality powered by AI algorithms and 6 microphones.
Product Overview
Image: EarFun Air Pro 4 wireless earbuds and their charging case. The earbuds are sleek and black, designed for in-ear placement, and the compact charging case is also black with the EarFun logo.
The EarFun Air Pro 4 package includes the wireless earbuds, a charging case, and various ear tip sizes for a comfortable fit. These earbuds feature a compact design for portability and an ergonomic shape for secure in-ear placement.
Setup Guide
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Place the earbuds into the charging case. Connect the charging case to a power source using a compatible USB-C cable. The indicator lights on the case will show the charging status. A full charge typically takes approximately 2 hours for the case and 1.5 hours for the earbuds.
2. Bluetooth Pairing
- Ensure the earbuds are in the charging case and the case lid is open.
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Select "EarFun Air Pro 4" from the list of available Bluetooth devices.
- Once connected, you will hear an audible confirmation from the earbuds.
For subsequent uses, the earbuds will automatically connect to the last paired device when removed from the case.
3. Wearing the Earbuds
Select the ear tips that provide the best seal and comfort for your ears. Gently insert each earbud into your ear canal and twist slightly to secure them. A proper fit is crucial for optimal sound quality and noise cancellation performance.
4. EarFun App Installation
Download the official EarFun App from your device's app store. The app allows for personalized settings, firmware updates, and control customization for your EarFun Air Pro 4 earbuds.
Operating Instructions
Touch Controls
The EarFun Air Pro 4 earbuds feature intuitive touch controls. Specific functions can be customized via the EarFun App.
- Single Tap: Play/Pause, Answer Call
- Double Tap: Next Track, End Call
- Triple Tap: Previous Track, Activate Voice Assistant
- Long Press (Left Earbud): Toggle ANC Modes (Noise Cancellation / Ambient Sound / Normal)
- Long Press (Right Earbud): Volume Up
Adaptive Hybrid Active Noise Cancellation (ANC)
Image: A woman wearing the EarFun Air Pro 4 earbuds, illustrating the Adaptive Hybrid Active Noise Cancellation feature. Text overlays explain that QuietSmart 3.0 technology reduces noise up to 50dB by automatically detecting ear canal structure.
The EarFun Air Pro 4 utilizes Adaptive Hybrid ANC with QuietSmart 3.0 technology to provide up to 50dB of noise reduction. This system automatically adjusts noise cancellation levels based on your environment and ear canal shape for optimal performance. You can cycle through the following modes by long-pressing the left earbud:
- Noise Cancellation: Blocks out ambient noise for an immersive listening experience.
- Ambient Sound (Transparency Mode): Allows you to hear your surroundings while still enjoying your audio, useful for awareness in busy environments.
- Normal: Disables noise cancellation and ambient sound modes.
Audio Quality and Codec Support
Image: A man wearing EarFun Air Pro 4 earbuds, highlighting the aptX Lossless and Hi-Res Audio Wireless capabilities. The image also shows a comparison of Bluetooth audio codec bit rates, emphasizing the superior detail of aptX Lossless and LDAC.
Image: An exploded view of the EarFun Air Pro 4 earbud, showcasing its internal components, including the Qualcomm QCC3091 SoC and 10mm Composite Drivers, which contribute to the Snapdragon Sound technology.
The EarFun Air Pro 4 earbuds are equipped with Qualcomm Snapdragon Sound and aptX Lossless Audio, ensuring high-fidelity sound reproduction. They support various codecs including LDAC, LE Audio, and LC3, providing compatibility with a wide range of audio sources and delivering robust bass, articulate midrange, and sparkling treble.
Call Quality
Image: A woman smiling and holding a phone, wearing EarFun Air Pro 4 earbuds. The image illustrates the 6-Mic AI Algorithm and cVc 8.0 ENC (Environmental Noise Cancellation) technology, showing how feedforward, feedback, and talk mics work together to enhance call clarity by separating voice from noise.
Featuring 6 built-in microphones, advanced AI algorithms, and Qualcomm cVc 8.0 technology, the earbuds effectively suppress background noise during calls, ensuring your voice is transmitted clearly to the other party, even in noisy environments.
Multipoint Connection
The EarFun Air Pro 4 supports multipoint connection, allowing you to seamlessly switch between two paired devices simultaneously. Manage your connections through the EarFun App or manually as needed.
Maintenance
Proper maintenance ensures the longevity and performance of your earbuds.
- Cleaning: Regularly clean the earbuds, especially the ear tips and charging contacts, with a soft, dry, lint-free cloth. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the earbuds in their charging case to protect them from dust and damage.
- Battery Care: Avoid exposing the earbuds or case to extreme temperatures. For long-term storage, ensure the battery is not completely depleted.
Note: The EarFun Air Pro 4 earbuds are not water resistant. Avoid exposure to liquids.
Troubleshooting
If you encounter issues with your EarFun Air Pro 4 earbuds, refer to the following common solutions:
| Problem | Solution |
|---|---|
| Earbuds not pairing | Ensure Bluetooth is enabled on your device. Place earbuds in case, close lid, then open to re-enter pairing mode. Try forgetting the device on your phone and re-pairing. |
| No sound from one earbud | Check battery level of both earbuds. Ensure they are properly seated in the charging case. Try resetting the earbuds (refer to app or online manual for specific reset steps). |
| Charging issues | Verify the charging cable and adapter are working. Clean the charging contacts on both earbuds and the case. Ensure the case is connected to a power source. |
| ANC not effective | Ensure earbuds are properly seated in your ears with a good seal. Try different ear tip sizes. Confirm ANC mode is active via touch control or the EarFun App. |
For further assistance, please refer to the EarFun App or visit the official EarFun support website.
Specifications
| Feature | Detail |
|---|---|
| Model Name | EarFun Air Pro 4 |
| Connectivity Technology | Wireless (Bluetooth) |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Version | 5.0 |
| Noise Control | Adaptive Hybrid Active Noise Cancellation (up to 50dB) |
| Microphones | 6 (with AI Algorithm & Qualcomm cVc 8.0 ENC) |
| Audio Codecs Supported | aptX Lossless, LDAC, LE Audio, LC3 |
| Chipset | Qualcomm QCC3091 SoC |
| Control Method | App, Touch |
| Battery Life (Earbuds) | Up to 80 hours (with ANC off, using charging case) |
| Quick Charge | 10 minutes charge for 10 hours playback |
| Water Resistance Level | Not Water Resistant |
| Compatible Devices | Smartphones, Laptops, Desktops, Tablets, Televisions |
Warranty and Support
EarFun products are covered by a limited warranty. For detailed warranty information, please refer to the warranty card included with your product or visit the official EarFun website.
For technical support, frequently asked questions, or to contact customer service, please visit the EarFun support page on their official website: www.earfun.com/support. You may also find assistance through the EarFun App.
