1. Introduction
Thank you for choosing the DIXSG B39 Head-mounted Wireless Bluetooth Headphones. These headphones offer a superior audio experience with advanced features such as Bluetooth 5.1 connectivity, active noise cancellation, and versatile playback options including TF card and AUX input. Designed for comfort and portability, the B39 is perfect for sports, gaming, and everyday listening.
2. Safety Information
Please read and follow these safety guidelines to ensure proper use and prevent damage to the product or injury.
- Do not subject the product to violent treatment, heavy pressure, or extreme temperatures (high heat or humidity).
- Keep the headphones away from Wi-Fi routers and other high-frequency transmitting equipment to prevent signal interference, which can cause sound interruptions.
- Use the headphones within their specified working range (10-15 meters). Performance may be better without physical obstacles between the headphones and the connected device.
- Only connect this wireless earphone to devices with wireless functionality.
3. Package Contents
Please check the box for the following items:
- DIXSG B39 Wireless Bluetooth Headphones
- USB Type-C Charging Cable
- 3.5mm Audio Cable
- User Manual (this document)
4. Product Overview
The DIXSG B39 headphones feature a foldable design for easy portability, comfortable oval earmuffs, and multiple connectivity options.
5. Specifications
| Feature | Description |
|---|---|
| Model | B39 Bluetooth Headset |
| Bluetooth Version | 5.1 |
| Bluetooth Profiles | A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D113 |
| Wireless Frequency | 2.4GHZ (2.402-2.480 GHZ) |
| Wireless Range | 10-15 meters |
| Earbud Battery Capacity | 30mAh (rechargeable Li-ion) |
| Charging Dock Battery Capacity | 300mAh (optional) |
| Headphone Charging Time | Approx. 70 minutes |
| Charging Box Charging Time | Approx. 1 hour |
| Music Playback Time | 2-3 hours |
| Talk Time | 1-2 hours |
| Standby Time | 60 hours |
| TF Card Support | 128MB - 16GB |
| Connectivity | Bluetooth, 3.5mm AUX, TF Card |
| Material | Plastic, Silica Gel |
| Weight | 300g |
| Features | Active Noise-Cancellation (ANC), Microphone, Volume Control, Sound Isolating, Foldable Design, CVC Noise Suppression, HiFi Sound, Long Endurance, Waterproof and Sweat-proof |
| Earcups Type | Semi-open |
| Charging Method | Type-C Cable |
6. Setup Instructions
6.1 Initial Charging
Before first use, fully charge your headphones. Connect the provided Type-C USB cable to the charging port on the headphones and a power source. The indicator light will show charging status and turn off when fully charged.
6.2 Power On/Off
- Power On: Open the top cover of the charging box and take out the headphones. They will automatically power on. Alternatively, long press the power button on the headphones for 5 seconds.
- Power Off: Place the headphones back into the charging box. They will automatically power off and enter charging mode. Alternatively, long press the power button for 5 seconds. The headphones will also automatically shut down if not connected to a device for 5 minutes.
6.3 Bluetooth Pairing
- Ensure the headphones are charged.
- Open the top cover of the charging box and take out the headphones. They will automatically turn on and enter pairing mode. The red and blue lights on both headphones will flash alternately.
- Once paired with each other, one headphone's blue light will flash slowly, indicating successful inter-headphone pairing.
- On your mobile phone or other Bluetooth-enabled device, go to Bluetooth settings and search for available devices.
- Select "B39" (or similar name) from the list to connect. Once connected, the indicator light will change, and you will hear an audio prompt.
- The left and right headphones can be connected separately to different devices if desired.
6.4 Wired Connection (AUX)
To use the headphones in wired mode, connect one end of the 3.5mm audio cable to the AUX port on the headphones and the other end to your audio source (e.g., phone, computer). This allows for wired/wireless free switching.
6.5 TF Card Playback
Insert a TF (MicroSD) card (128MB-16GB) into the designated slot on the headphones. The headphones will automatically switch to TF card playback mode.
7. Operating Instructions
7.1 Touch Controls
The headphones feature intuitive touch controls on the earcups:
- Answer/End Call: Single touch on either earcup.
- Volume Down: Double touch on the left earcup.
- Volume Up: Double touch on the right earcup.
- Next Track: Triple touch on the left earcup.
- Previous Track: Triple touch on the right earcup.
- Activate Siri/Voice Assistant: Long press either earcup for 3 seconds.
- Power On/Off: Long press either earcup for 5 seconds.
7.2 Active Noise Cancellation (ANC)
The B39 headphones incorporate CVC Noise Suppression Technology and intelligent noise reduction to minimize ambient noise, allowing you to focus on your audio. This feature is automatically active during calls and music playback.
8. Maintenance
- Cleaning: Use a soft, dry cloth to clean the headphones. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the headphones in a cool, dry place. The foldable design helps save space.
- Battery Care: To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly, even if not used for extended periods.
- Durability: The headphones are designed with tough materials for durability. However, avoid dropping them or applying excessive force.
9. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are fully charged. Long press the power button for 5 seconds. |
| Cannot pair with device. | Ensure Bluetooth is enabled on your device. Make sure headphones are in pairing mode (red and blue lights flashing alternately). Move closer to the device. Forget previous pairings on your device and try again. |
| No sound or unbalanced sound. | Check volume levels on both headphones and connected device. Ensure headphones are properly paired. If using AUX, check cable connection. Try re-pairing. |
| Sound interruptions/poor quality. | Move closer to the connected device. Avoid strong Wi-Fi signals or other high-frequency interference. Ensure no physical obstacles are between the headphones and device. |
| Headphones automatically turn off. | This is normal if not connected to a device for 5 minutes. Ensure battery is not critically low. |
10. User Tips
- Comfortable Fit: The oval earmuffs are designed for extended wear. Adjust the headband for a snug yet comfortable fit to maximize sound isolation and comfort.
- Versatile Connectivity: Don't forget you can switch between wireless Bluetooth, wired AUX, and TF card playback depending on your needs.
- Handle with Care: While durable, gentle handling will ensure the longevity of your headphones, especially the foldable joints and plastic components.
11. Warranty and Support
For detailed warranty information and customer support, please refer to the official product documentation or contact your retailer. A digital version of the user manual is available here.