Introduction
Thank you for choosing the UBON J31 True Wireless Earbuds. These earbuds are designed to provide a high-quality audio experience with features like Environmental Noise Cancellation (ENC), Bluetooth v5.3 connectivity, and intuitive touch controls. This manual will guide you through the setup, operation, and maintenance of your new earbuds to ensure optimal performance.

Image: UBON J31 True Wireless Earbuds in their beige charging case, showcasing the product design.
Package Contents
Please check the package for the following items:
- UBON J31 True Wireless Earbuds (Left and Right)
- Charging Case
- USB Type-C Charging Cable
- Ear Cushions (various sizes)
- User Manual
Setup
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. The charging case provides additional power to the earbuds, extending their playtime.
- Connect the provided USB Type-C charging cable to the charging port on the case and a power source.
- The LED indicator on the charging case will illuminate to show charging status.
- Place the earbuds into the charging case. Ensure they are correctly seated; the earbuds will begin charging automatically.
- A full charge provides up to 40 hours of total playtime with the charging case.

Image: UBON J31 Earbuds in their charging case, illustrating the 40 hours of total playtime capability.
2. Pairing with Your Device
The UBON J31 earbuds utilize Bluetooth v5.3 for quick and stable wireless connectivity.
- First-time Pairing: Open the charging case. The earbuds will automatically enter pairing mode, indicated by flashing LED lights.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "UBON J31" from the list of detected devices.
- Once connected, the LED indicators on the earbuds will stop flashing, and you will hear a confirmation tone.
- Automatic Reconnection: After the initial pairing, the earbuds will automatically connect to the last paired device when you open the charging case, provided Bluetooth is enabled on your device.

Image: UBON J31 Earbuds positioned near a smartphone, demonstrating the v5.3 wireless connectivity and instant pairing feature.
Operating Instructions
1. Touch Controls
The UBON J31 earbuds feature intuitive touch controls for easy management of music and calls.
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Answer/End Call: Single tap on either earbud.
- Reject Call: Press and hold either earbud for 2 seconds.
2. Voice Assistant Support
Activate your device's voice assistant (Siri, Google Assistant, etc.) directly from the earbuds.
- Activate Voice Assistant: Triple tap on either earbud.
3. Making Calls with ENC Mic
The built-in Environmental Noise Cancellation (ENC) microphone ensures clear call quality by reducing background noise.
- Ensure the earbuds are properly seated in your ears for optimal microphone performance.
- Use the touch controls to answer or end calls.

Image: A detailed view of an UBON J31 earbud, highlighting the Environmental Noise Cancellation (ENC) technology with 4 microphones for clear communication.
Maintenance
Proper care will extend the lifespan of your UBON J31 earbuds.
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials.
- Ear Cushions: Remove and clean the ear cushions periodically with a damp cloth. Ensure they are completely dry before reattaching.
- Storage: When not in use, store the earbuds in their charging case to protect them from dust and damage.
- Avoid Extreme Conditions: Do not expose the earbuds to extreme temperatures, humidity, or liquids. While they are sweatproof and water-resistant, they are not waterproof and should not be submerged.
Troubleshooting
If you encounter issues with your UBON J31 earbuds, try the following solutions:
- Earbuds not pairing:
- Ensure both earbuds are charged.
- Turn off Bluetooth on your device, then turn it back on.
- Forget "UBON J31" from your device's Bluetooth settings and attempt to re-pair.
- Place earbuds back in the case, close the lid, wait a few seconds, then open to re-initiate pairing mode.
- No sound from one earbud:
- Ensure both earbuds are charged.
- Try placing both earbuds back in the charging case and then taking them out again.
- Clean the charging contacts on both the earbuds and the case.
- Earbuds not charging:
- Ensure the charging cable is securely connected to both the case and the power source.
- Check if the charging port on the case is free of debris.
- Ensure the earbuds are correctly seated in the charging case.
- Poor call quality:
- Ensure the earbuds are properly fitted in your ears.
- Check for strong environmental noise that might overwhelm the ENC feature.
- Ensure your device has a stable network connection.
Specifications
| Brand | UBON |
| Model Number | J31 |
| Model Name | Air Tiger |
| Colour | Beige |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Impedance | 4 Ohms |
| Noise Control | Sound Isolation (ENC Mic) |
| Control Method | Touch |
| Bluetooth Version | 5.3 |
| Wireless Technology Type | Bluetooth |
| Product Features | Fast Charging, Sweatproof, Water Resistance |
| Material | Plastic |
| Item Weight | 35 Grams |
Warranty and Support
Warranty Information
The UBON J31 True Wireless Earbuds come with a Manufacturer Warranty. Please refer to the warranty card included in your package for specific terms and conditions.
Customer Support
For any technical assistance, warranty claims, or product inquiries, please contact UBON customer support:
- Manufacturer: IVA Enterprises
- Manufacturer Address: B-45, GT Karnal Road Industrial Area, Delhi 110033, India
- Importer: IVA Enterprises
- Importer Address: B-45, G.T. Karnal Road Industrial Area, North Delhi, Delhi - 110033, India
Please visit the official UBON website or contact your local distributor for the most up-to-date support information.