1. Introduction
The OPPO Enco Air 4 is a new voice version of true wireless Bluetooth semi-in-ear headphones designed for an immersive audio experience with long battery life and low latency. Featuring Bluetooth 5.4 connectivity, a 12.4mm large unit moving coil, and IP55 dustproof and waterproof rating, these earbuds are built for daily use and active lifestyles.
Image: OPPO Enco Air 4 earbuds and charging case, highlighting key features.
2. Package Contents
Please check the box for the following items:
- Packaging box
- OPPO Enco Air 4 Earphones (Left and Right)
- Charging Case
- User Manual / Guide / Handbook
Note: The charging cable and power adapter are not included in the accessories and must be purchased separately.
Image: Contents of the OPPO Enco Air 4 package.
3. Product Overview
The OPPO Enco Air 4 earbuds feature a semi-in-ear design for comfortable wear. The charging case provides extended battery life and protects the earbuds when not in use. An LED indicator on the case shows charging status and battery level.
4. Specifications
| Feature | Specification |
|---|---|
| Product Model | ETEG1 |
| Product Colors | Jade White, Ice Green |
| Sound Generating Unit | 12.4 mm Moving Coil |
| Horn Sensitivity | 123dB@1kHz |
| Frequency Response Range | 20Hz-20kHz |
| Microphone Sensitivity | -38dB |
| Bluetooth Version | 5.4 |
| Bluetooth Effective Distance | 10m |
| Bluetooth Codec | AAC/SBC |
| Battery Type | Rechargeable Lithium-ion Battery |
| Headphone Battery Capacity | 43mAh |
| Charging Box Battery Capacity | 530mAh |
| Music Playback Time (AAC, 50% volume) | 9.5H (single charge) / 48H (with charging box) |
| Charging Time (Headset) | Approx. 60 minutes |
| Charging Time (Headset + Charging Box) | Approx. 80 minutes |
| Charging Input (Charging Box) | 5V-1A |
| Charging Input (Single Earphone) | 5V-0.15A |
| Charging Output (Charging Box to Earphone) | 5V-0.3A |
| Charging Port | Type-C |
| Waterproof Grade (Earphone) | IP55 |
| Dimensions (Whole Machine) | 49.04 * 49.29 * 24.06mm |
| Dimensions (Headset) | 31.82 * 17.04 * 18.02mm |
| Net Weight (Whole Machine) | 39.2 ± 0.2g |
| Net Weight (Earphone) | 3.8 ± 0.2g |
| Material | Plastic |
| Features | Waterproof (IP55), With Microphone, AI Call Noise Reduction |
5. Setup and Pairing
Initial Pairing
- Ensure your mobile phone's Bluetooth is turned on.
- Take the earphones out of the charging box and wear them.
- Press and hold the touch area on both earphones for 4 seconds. The earphones will enter pairing mode.
- On your mobile phone, go to Bluetooth settings and search for "OPPO Enco Air4 new sound version".
- Select the device to pair. Once connected, you will hear a confirmation tone.
Connecting to a New Device
To connect to a new device, follow the same steps as initial pairing. The earphones will enter pairing mode when you press and hold the touch area for 4 seconds while they are out of the case and worn.
6. Operating Instructions
Touch Controls
The OPPO Enco Air 4 earphones feature intuitive touch controls. Refer to the diagram below for specific gestures:
Image: Touch control gestures for OPPO Enco Air 4.
- Double Tap:
- Answer/Hang up calls
- Play/Pause music
- Next song (Right earbud)
- Previous song (Left earbud)
- Activate voice assistant
- Triple Tap:
- Activate Game Mode
- Long Press (1 second):
- Reject incoming calls
- Long Press (4 seconds):
- Enter pairing mode (when out of case and worn)
AI Call Noise Reduction
The earphones are equipped with AI call noise reduction technology to ensure clear voice calls by minimizing background noise.
Huanlu App Integration
For enhanced functionality and customization, download and connect your earphones to the Huanlu app. The app allows you to:
- Check earphone power levels
- Adjust sound mode settings
- View earphone control guides
- Perform firmware upgrades
- Access more settings
Image: Huanlu App interface for earphone management.
7. Charging
To charge your OPPO Enco Air 4 earphones and charging case:
- Place the earphones into the charging case.
- Connect a Type-C charging cable (not included) to the charging port on the case and a power source.
- The LED indicator on the charging case will show the charging status.
Refer to the Specifications section for detailed charging times and input/output parameters.
8. Maintenance
- Cleaning: Regularly clean the earbuds, especially the ear tips and charging contacts, with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, store the earphones in their charging case to protect them from dust and damage.
- Water Resistance: The earphones have an IP55 dustproof and waterproof rating, meaning they are protected against limited dust ingress and low-pressure water jets from any direction. They are not designed for submersion in water or use during swimming. Avoid exposing them to excessive moisture or liquids.
- Battery Care: To prolong battery life, avoid fully discharging the earphones and charging case frequently. Store them in a cool, dry place away from extreme temperatures.
9. Troubleshooting (FAQ)
Q1: Does my mobile phone support pairing this headset?
A1: The OPPO Enco Air 4 supports all mobile phones with Bluetooth functionality, including Android and iOS systems. You can use basic functions such as music playback, video audio, phone calls, and earphone controls. For specific functional differences and advanced features, refer to the compatibility list in the 'Compatibility' section or the Huanlu app.
Q2: How do I reset the headset and connect to a new device?
A2: To reset and connect to a new device, take the earphones out of the box and wear them. Press and hold the dual earphone touch area for 4 seconds. The headphones will enter the pairing state. Then, search for "OPPO Enco Air4 new sound version" in your mobile phone's Bluetooth list and pair it.
General Troubleshooting Tips:
- No Sound/Connection Issues: Ensure earphones are charged, Bluetooth is enabled on your device, and earphones are paired correctly. Try re-pairing if issues persist.
- One Earbud Not Working: Ensure both earbuds are charged. Try placing them back in the case and taking them out again. If the problem continues, try resetting the earphones.
- Poor Call Quality: Ensure the microphone is not obstructed. Check for strong Bluetooth interference in your environment.
10. User Tips
- For the best audio experience and to unlock all features, download and use the official Huanlu app.
- Regularly check the Huanlu app for firmware updates to ensure optimal performance and access to new features.
- When experiencing connectivity issues, a quick reset by holding the touch area for 4 seconds can often resolve the problem.
11. Compatibility
The OPPO Enco Air 4 new sound version offers varying levels of compatibility with different operating systems. Below is a general compatibility table:
Image: Compatibility table for OPPO Enco Air 4.
| Feature | Android 12 and above | iOS 12.2 and above |
|---|---|---|
| Electronic Quantity Display | ✓ | ✓ |
| Special Sound Effects | ✓ | ✓ |
| Memory Pop-up Window | ✓ | ✓ |
| Personal Pop-up Window | ✓ | ✓ |
| Remote Control Photography | ✓ | ✓ |
| Designated Mobile Phone | ✓ | ✓ |
| Find Headphones | ✓ | ✓ |
| Game Mode | ✓ | ✓ |
12. Safety Information
- Do not disassemble, repair, or modify the product.
- Keep the product away from extreme temperatures, direct sunlight, and open flames.
- Avoid exposing the product to strong magnetic fields.
- Use only compatible chargers and cables.
- Dispose of the product and its battery responsibly according to local regulations.
- Do not use the earphones at high volume for extended periods to prevent hearing damage.
- Be aware of your surroundings when using earphones, especially in traffic or dangerous situations.
13. Warranty and Support
For warranty information and customer support, please refer to the official OPPO website or contact your local OPPO service center. Keep your proof of purchase for warranty claims.
