1. Introduction
Thank you for choosing the VulTech Fold HBT-30BK Wireless Bluetooth 5.4 ANC Over-Ear Headphones. These headphones are designed to provide a superior audio experience with active noise cancellation, comfortable wear, and convenient portability. This manual provides essential information for setting up, operating, and maintaining your headphones.
Image 1.1: VulTech Fold HBT-30BK Wireless Over-Ear Headphones
2. Package Contents
Please check the package for the following items:
- VulTech Fold HBT-30BK Over-Ear Headphones
- USB-C Charging Cable
- 3.5mm Audio Cable
- User Manual (this document)
3. Product Overview: Controls and Indicators
Familiarize yourself with the buttons and ports on your headphones:
Image 3.1: Side view of headphones showing controls
Image 3.2: Close-up of multimedia and call controls
- Power Button: Press and hold to power on/off. Short press for play/pause.
- Volume Up (+): Increase volume. Long press for next track.
- Volume Down (-): Decrease volume. Long press for previous track.
- ANC Button: Activate/deactivate Active Noise Cancellation.
- LED Indicator: Shows power status, pairing mode, and charging status.
- USB-C Port: For charging the headphones.
- 3.5mm Audio Jack: For wired connection.
- Microphone: For hands-free calls.
4. Setup
4.1 Initial Charging
Before first use, fully charge your headphones. Connect the USB-C charging cable to the headphone's USB-C port and the other end to a USB power adapter (not included) or a computer's USB port. The LED indicator will show charging status and turn off or change color when fully charged.
Image 4.1: Headphones connected for USB-C charging
4.2 Power On/Off
- To Power On: Press and hold the Power button for approximately 3 seconds until the LED indicator lights up.
- To Power Off: Press and hold the Power button for approximately 3 seconds until the LED indicator turns off.
4.3 Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the Power button for about 5-7 seconds until the LED indicator flashes blue and red alternately, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "VulTech HBT-30BK" from the list of devices.
- Once connected, the LED indicator will flash blue slowly or remain solid blue.
5. Operating Instructions
5.1 Active Noise Cancellation (ANC)
Press the ANC button to activate or deactivate the Active Noise Cancellation feature. When ANC is active, a dedicated LED indicator may light up (refer to product specifications for exact behavior). ANC helps reduce ambient noise for a more immersive listening experience.
Image 5.1: User enjoying ANC feature
5.2 Music Playback
- Play/Pause: Short press the Power button.
- Next Track: Long press the Volume Up (+) button.
- Previous Track: Long press the Volume Down (-) button.
- Volume Adjustment: Short press the Volume Up (+) or Volume Down (-) buttons.
5.3 Call Management
- Answer/End Call: Short press the Power button.
- Reject Call: Press and hold the Power button for 2 seconds.
5.4 Wired Connection
To use the headphones with a wired connection, plug the 3.5mm audio cable into the headphone's 3.5mm jack and the other end into your audio source. The Bluetooth function will automatically disable when the audio cable is connected.
Image 5.2: Headphones with 3.5mm audio cable connected
6. Charging
The headphones are equipped with a built-in rechargeable battery. When the battery is low, the LED indicator will flash red. Connect the USB-C cable to charge. A full charge takes approximately 2.5 hours and provides up to 12 hours of listening time.
7. Maintenance
7.1 Cleaning
Wipe the headphones with a soft, dry cloth. Do not use abrasive cleaners or solvents. Avoid getting moisture into any openings.
7.2 Storage
When not in use, store the headphones in a cool, dry place. The foldable design allows for compact storage, making them easy to carry.
Image 7.1: Headphones folded for storage
Image 7.2: Folded headphones demonstrating portability
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Low battery. | Charge the headphones fully. |
| Cannot pair with device. | Headphones not in pairing mode; Bluetooth disabled on device; device too far. | Ensure headphones are in pairing mode (flashing blue/red). Enable Bluetooth on your device. Move device closer to headphones. |
| No sound. | Volume too low; headphones not connected; incorrect audio source. | Increase volume on headphones and device. Ensure headphones are properly paired or connected via 3.5mm cable. Check audio output settings on your device. |
| ANC not working effectively. | ANC not activated; environmental noise too high. | Press the ANC button to activate. ANC is most effective for low-frequency, constant noise. |
9. Specifications
| Feature | Detail |
|---|---|
| Model | HBT-30BK |
| Connectivity | Bluetooth 5.4, 3.5mm Jack (Wired) |
| Noise Control | Active Noise Cancellation (ANC) |
| Frequency Response | 20 Hz |
| Charging Port | USB-C |
| Charging Time | Approx. 2.5 Hours |
| Average Battery Life | Up to 12 Hours |
| Material | Plastic |
| Product Weight | 0.1 Grams |
| Water Resistance | Not Water Resistant |
| Control Type | Button Control, Touch |
| Impedance | 32 Ohm |
| Compatible Devices | Smartwatch, Mobile Phone, Laptop, Desktop Computer, Tablet, Television |
10. Safety Information
Please read and follow these safety guidelines to ensure proper use and prevent damage:
- Do not expose headphones to extreme temperatures, humidity, or liquids.
- Avoid dropping or subjecting the headphones to strong impacts.
- Do not attempt to disassemble or modify the headphones.
- Listen at moderate volumes to protect your hearing.
- Keep out of reach of children.
11. Warranty and Support
VulTech products typically come with a standard warranty. For specific warranty details and to register your product for a potential warranty extension (e.g., 2+1 years as mentioned in some product information), please refer to the warranty card included with your purchase or visit the official VulTech website. For technical support or service inquiries, please contact VulTech customer service through their official channels.
Image 11.1: Warranty information indicating a 2+1 year extension