Introduction
The Havit H668BT ANC Bluetooth On-Ear Headphones are designed to provide a superior audio experience with active noise cancellation, long battery life, and multipoint connectivity. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your headphones to ensure optimal performance.

Image: Front view of the Havit H668BT ANC Bluetooth On-Ear Headphones, showcasing their sleek design.
Setup
1. Charging the Headphones
Before first use, fully charge the headphones. Connect the provided USB-C charging cable to the charging port on the headphones and the other end to a USB power source (e.g., computer USB port, wall adapter). The LED indicator will show charging status.
- Charging Time: Approximately 2 hours for a full charge.
- Quick Charge: 5 minutes of charging provides approximately 5 hours of usage.
- Battery Life: Up to 80 hours (ANC off), 50 hours (ANC on).

Image: Close-up of the Havit H668BT headphones, highlighting the USB-C charging port and control buttons.
2. Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the Power button until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "Havit H668BT" from the list of found devices.
- Once connected, the LED indicator will turn solid blue or flash blue slowly.
3. App Assisted Use (Havit Life App)
For enhanced customization and control, download the Havit Life app from your device's app store. The app allows you to personalize sound settings and access additional features.
- Search for "Havit Life" in the App Store (iOS) or Google Play Store (Android).
- Install the app and follow the on-screen instructions to connect your H668BT headphones.
Operating Instructions

Image: Side view of the Havit H668BT headphones, illustrating the placement of control buttons for easy access.
- Power On/Off: Press and hold the Power button for 3 seconds.
- Play/Pause: Short press the Multi-function button (usually the power button or a dedicated play/pause button).
- Volume Up/Down: Press the Volume + or Volume - buttons.
- Next Track: Press and hold Volume + button.
- Previous Track: Press and hold Volume - button.
- Answer/End Call: Short press the Multi-function button.
- Reject Call: Press and hold the Multi-function button for 2 seconds.
- Activate Voice Assistant: Double-press the Multi-function button.
- ANC On/Off: Press the dedicated ANC button to toggle Active Noise Cancellation. The ANC LED indicator will illuminate when active.
- Multipoint Connectivity: The headphones can connect to two devices simultaneously. After pairing with the first device, put the headphones back into pairing mode and connect to the second device. The headphones will intelligently switch between devices for calls and audio.
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, away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly, even if not in use for extended periods.
- Water Resistance: These headphones are not waterproof. Avoid exposure to liquids.
Troubleshooting
| Problem | Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are charged. Connect to a power source and try again. |
| Cannot pair with device. |
|
| No sound or low volume. |
|
| ANC not working effectively. | Ensure the ANC feature is activated (ANC LED is on). Check for proper fit of earcups. |
| Intermittent connection. | Reduce distance between headphones and device. Avoid obstacles. Ensure no strong interference sources nearby. |
Specifications
| Feature | Detail |
|---|---|
| Model | H668BT |
| Headset Type | Overhead Headphones |
| Active Noise Cancelling (ANC) | Yes (-25 dB) |
| Bluetooth Version | V5.4 |
| Charging Time | 2 Hours |
| Capture Distance (Bluetooth Range) | 10 meters |
| Battery Capacity | 500 mAh |
| Connection Type | Bluetooth |
| Item Weight | 204g |
| Audio Driver Size | 40 Millimetres |
| Frequency Response | 20 KHz |
Warranty Information
The Havit H668BT ANC Bluetooth On-Ear Headphones come with a 2-Year Distributor Warranty. Please retain your proof of purchase for warranty claims. For specific terms and conditions, refer to the warranty card included with your product or contact Havit customer support.
Support
For further assistance, technical support, or inquiries regarding your Havit H668BT headphones, please visit the official Havit website or contact their customer service department. Contact details can typically be found on the product packaging or the official brand website.
Note: Always refer to the latest information available on the official Havit support channels for the most up-to-date assistance.





