Introduction
Thank you for choosing the Generic Dual-Headset Wireless Earbuds. This manual provides comprehensive instructions to help you set up, operate, maintain, and troubleshoot your new earbuds, ensuring an optimal audio experience. Please read this manual carefully before use and retain it for future reference.
Product Overview
The J40 Dual-Headset Wireless Earbuds are designed for versatile use, offering high-quality audio and convenient features. Key features include:
- Wireless Bluetooth Connectivity: Enjoy freedom with advanced Bluetooth for seamless operation.
- Touch Control: Intuitive touch controls for managing audio and calls.
- Deep Bass & Crystal-Clear Sound: Immersive audio with powerful bass and a high-quality condenser microphone for clear calls.
- Universal Compatibility: Compatible with iPhone, Android, and all Bluetooth-enabled devices.
- Long-Lasting Battery: Rechargeable Lithium-Polymer battery with USB-C fast charging for extended playtime.
- LED Display Charging Case: The charging case features an LED display to show battery status.
- Sound Isolation: Designed to provide an immersive listening experience.
- Not Waterproof: Please note these earbuds are not waterproof.
Figure 1: The J40 Dual-Headset Wireless Earbuds with their charging case, showcasing the LED display on the case.
Figure 2: A couple wearing the J40 earbuds, highlighting their design for shared listening experiences.
Figure 3: The J40 earbuds and charging case, emphasizing the strong endurance of up to 40 hours of listening time.
Setup
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Connect the provided USB-C cable to the charging port on the case and a power source. The LED display on the case will indicate the charging status. Ensure both earbuds are placed correctly in the case for them to charge.
2. Bluetooth Pairing
- Ensure the earbuds are charged and removed from the charging case. They will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "Dobles J40" or "J40" in the list of available Bluetooth devices.
- Select the device name to connect. Once connected, you will hear a confirmation tone.
For detailed app-based setup and binding, refer to the AI User Manual steps shown below:
Figure 4: Step-by-step guide for using the AI app, including QR code scanning, headset pairing, and device binding. Note: One code binds one headset and cannot be changed.
Operating Instructions
Touch Controls
The J40 earbuds feature intuitive touch controls on each earbud. Specific functions may vary slightly based on your device and app settings, but common controls include:
- 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: Long press on either earbud.
- Activate Voice Assistant: Triple tap on either earbud.
AI Dialogue Mode
The earbuds support an AI Dialogue Mode, enhancing communication and interaction. This feature is particularly useful for high-definition calls and real-time translation functionalities when used with the dedicated app.
Figure 5: A user experiencing high-definition calls with the J40 earbuds, similar to face-to-face chat quality.
Figure 6: Individuals engaging in conversation, demonstrating the use of AI Dialogue Mode for enhanced communication.
The J40 earbuds are versatile for various scenarios:
Figure 7: Depiction of the earbuds' utility in multiple scenarios, including overseas travel, work, learning, and sports.
Maintenance
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Do not use abrasive cleaners or immerse them in water.
- Battery Care: To prolong battery life, avoid fully discharging the earbuds and case frequently. Store them with some charge if not used for extended periods.
- Storage: Store the earbuds in their charging case when not in use to protect them from dust and damage. Keep them in a cool, dry place away from extreme temperatures.
- Water Resistance: These earbuds are NOT waterproof. Avoid exposure to water, sweat, or high humidity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds not pairing | Low battery; out of range; not in pairing mode; previously paired to another device. | Charge earbuds; ensure device Bluetooth is on and within range; put earbuds back in case and remove to re-enter pairing mode; disconnect from other devices. |
| No sound or low volume | Volume too low on device; earbuds not properly seated; connection issue. | Increase device volume; ensure earbuds are securely in ears; re-pair earbuds. |
| Charging case not charging | Cable issue; power source issue; dirty charging port. | Try a different USB-C cable; try a different power adapter/port; clean charging port gently. |
| Intermittent connection | Interference; distance from device; obstacles. | Move closer to your device; avoid strong electromagnetic interference; ensure no large obstacles between earbuds and device. |
Specifications
| Model Name | Dobles J40 |
| Item Model Number | J40 |
| Connectivity Technology | Wireless (Bluetooth) |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Control Type | App Control / Touch Control |
| Noise Control | Active Noise Cancellation |
| Material | Plastic |
| Color | White |
| Water Resistance Level | Not Water Resistant |
| Included Components | Cable (USB-C) |
| Manufacturer | NEW SENYANG |
| ASIN | B0F1DXCK86 |
Figure 8: Internal components of the earbud, illustrating the high rebound ring diaphragm for enhanced sound.
Figure 9: Visual representation of audio dynamic compensation, designed to restore 99% of the on-site listening sense.
Warranty & Support
For warranty information and technical support, please refer to the product packaging or contact the manufacturer directly. Keep your purchase receipt as proof of purchase.
