1. Introduction
The BT-12 Wireless Bluetooth Neckband Earphones are designed for versatile use, offering wireless audio for music and calls. Featuring a comfortable neckband design, Bluetooth 5.3 connectivity, and a digital display, these earphones are suitable for daily use and outdoor sports.
2. Package Contents
Please check the package for the following items:
- BT-12 Wireless Bluetooth Neckband Earphones
- Charging Cable (Type-C)
- User Manual (this document)
3. Product Features
- Wireless Bluetooth Connectivity: Enjoy seamless audio with Bluetooth 5.3 technology.
- Digital Display: LED screen shows remaining battery power.
- Multifunctional Control: Integrated buttons for music, calls, and voice assistant.
- Memory Card Support: Listen to music directly from a memory card without a phone.
- Magnetic Attraction Design: Earbuds magnetically connect for anti-loss and easy storage.
- Long Battery Life: Equipped with a 500mAh battery, providing extended usage (advertised as 2000mAh for long standby).
- Durable Design: Sweat and rain resistant, suitable for outdoor sports.
- HiFi Stereo Sound: Dynamic vocalism principle for high-quality audio.
- Memory Silicone Collar: Flexible and comfortable neckband.
- Type-C Charging: Efficient and fast charging with a self-contained dustproof silica gel port.
- Sound & Picture Synchronization: Optimized for gaming with low delay.
- Environmental Noise Shielding: 95% shielding for an immersive experience.
- Multiple Sound Effects: 7 customizable EQ modes.
4. Setup and Initial Use
4.1 Charging the Earphones
Before first use, fully charge the earphones. Connect the provided Type-C charging cable to the charging port on the neckband and plug the other end into a USB power source. The LED digital display will show the charging status. A full charge typically takes 1-2 hours.
4.2 Powering On/Off
- Power On: Long press the Power button (refer to Figure 6 for button layout).
- Power Off: Long press the Power button again.
4.3 Bluetooth Pairing
To connect your earphones to a device:
- Ensure the earphones are charged and powered off.
- Long press the Power button until the LED indicator flashes, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "BT-12" from the list of found devices.
- Once connected, the LED indicator will change, and you will hear a confirmation tone.
The earphones are compatible with various mobile phones and computers.
4.4 Memory Card Playback
The BT-12 earphones support direct music playback from a memory card. Insert a compatible memory card into the designated slot on the earphone unit. The earphones will automatically switch to music mode.
5. Operating Instructions
5.1 Button Controls
The earphones feature a multifunctional key panel for easy control:
- Power Button (On/Off):
- Long press: Power On/Off
- Short press: Play/Pause
- Double-click: Switch between Bluetooth mode and Music mode (for memory card playback)
- Volume Buttons (+/-):
- Long press: Next song (+) / Previous song (-)
- Short press: Volume increase (+) / Volume decrease (-)
- Multi-function Button (Circle):
- One click: Pause/Play
- Double-click: Make a call
- Long press: Enter voice assistant
- Triple click: Switch EQ mode
5.2 Sound Effects (EQ Modes)
The earphones offer 7 different sound effects that can be switched by triple-clicking the Multi-function Button:
- Popular
- Customized
- Rock
- Country
- Classical
- Balanced
- Jazz
5.3 Digital Battery Display
The integrated LED digital display provides real-time information on the remaining battery power, helping you avoid unexpected power loss.
6. Maintenance and Care
6.1 Cleaning
Wipe the earphones with a soft, dry cloth. Do not use abrasive cleaners or solvents. Ensure the charging port is free of dust and debris. The Type-C port has a self-contained dustproof silica gel cover for protection.
6.2 Storage
When not in use, the earbuds feature a magnetic attraction design, allowing them to connect and prevent tangling or loss. Store the earphones in a cool, dry place away from direct sunlight and extreme temperatures.
6.3 Water Resistance
The earphones are designed to be sweat and rain resistant, making them suitable for outdoor sports. However, they are not fully waterproof. Avoid submerging them in water or exposing them to heavy downpours.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Earphones do not power on. | Low battery. | Charge the earphones fully. |
| Cannot pair with device. | Earphones not in pairing mode; device Bluetooth off; too far from device. | Ensure earphones are in pairing mode (flashing LED). Turn device Bluetooth off/on. Move earphones closer to device (within 10M). |
| No sound during playback. | Volume too low; earphones not connected; incorrect audio output selected on device. | Increase volume on earphones and device. Re-pair earphones. Check device audio settings. |
| Earphones disconnect frequently. | Low battery; interference; too far from device. | Charge earphones. Move away from sources of interference (e.g., Wi-Fi routers). Stay within 10M range. |
| Cannot switch language. | No dedicated language switch function described. | The product description does not indicate a language switching function. If a voice prompt is in a different language, it is likely fixed. |
8. Specifications
| Feature | Detail |
|---|---|
| Model | BT-12 |
| Product Name | Neck hanging earphone |
| Bluetooth Version | 5.3 |
| Chip Version | Jerry 7006 |
| Communication | Wireless (Bluetooth) |
| Wireless Type | Bluetooth |
| Transmission Distance | ≥10 meters |
| Style | Neckband |
| Vocalism Principle | Dynamic |
| Material | ABS, Plastic |
| Control Button | Yes |
| Volume Control | Yes |
| Active Noise-Cancellation | No |
| Memory Card Support | Yes |
| Battery Capacity | 500mAh (Advertised as 2000mAh for long standby) |
| Call Duration | 50 hours |
| Charging Interface | Type-C |
| Charging Time | 1-2 hours |
| Product Size | 190 x 140 x 13 mm |
| Net Weight | 50g |
| Available Colors | Black, Skin Tone, Pink |
9. User Tips
- Battery Life: Keep an eye on the digital display for battery percentage to avoid running out of power unexpectedly.
- Magnetic Storage: Utilize the magnetic earbuds to keep them secure around your neck when not in use, preventing tangles and loss.
- EQ Modes: Experiment with the 7 different sound effects to find the one that best suits your music genre or personal preference.
- Memory Card: For phone-free music listening, ensure your memory card is properly inserted and contains compatible audio files.
10. Warranty and Support
This product is covered by a standard manufacturer's warranty. For warranty claims, technical support, or service inquiries, please contact the seller or the point of purchase. Please retain your proof of purchase for any warranty-related requests.
