Introduction
Thank you for choosing DOQAUS LIFE 3 Bluetooth Headphones. This manual provides detailed instructions for setting up, operating, and maintaining your headphones to ensure optimal performance and longevity.
What's in the Box
- LIFE 3 Headphone over ear
- USB charging cable
- Aux audio cable
- User Manual
- Storage Pouch

Image: The DOQAUS LIFE 3 headphones, USB charging cable, Aux audio cable, user manual, and storage pouch are displayed.
Setup
Charging the Headphones
Before first use, fully charge your DOQAUS LIFE 3 headphones.
- Connect the provided USB charging cable to the USB-C charging port on the headphone.
- Connect the other end of the USB cable to a compatible USB power source.
- The LED indicator will show charging status. A full charge provides up to 90 hours of playtime. A 10-minute charge provides approximately 5 hours of playtime.

Image: A detailed view of the right earcup, highlighting the USB-C charging port, 3.5mm audio jack, LED indicator, and control buttons.
Bluetooth Pairing
- Ensure the headphones are charged and powered off.
- Press and hold the Power/MFB button until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, PC), enable Bluetooth and search for "DOQAUS LIFE 3".
- Select "DOQAUS LIFE 3" from the list of available devices to connect.
- Once connected, the LED indicator will show a solid blue light or flash blue slowly.

Image: A graphic illustrating the Bluetooth 5.3 connection between the headphones and a smartphone, showing a range of up to 20 meters.
Wired Connection
For a wired connection, use the provided 3.5mm audio cable.
- Plug one end of the 3.5mm audio cable into the headphone's 3.5mm audio jack.
- Plug the other end into your audio device's 3.5mm audio output.
- The headphones will automatically switch to wired mode.
Operating Instructions
Controls Overview
The control buttons are located on the right earcup:
- Power/MFB (Multi-Function Button): Power on/off, Play/Pause, Answer/Hang Up/Call Back, Next Track/Previous Track.
- Volume Up (+): Increase volume.
- Volume Down (-): Decrease volume.
- EQ Mode Button: Cycle through 3 professional EQ modes.

Image: A detailed view of the right earcup, highlighting the USB-C charging port, 3.5mm audio jack, LED indicator, and control buttons with their functions labeled.
EQ Modes
Your DOQAUS LIFE 3 headphones feature 3 professionally tuned EQ modes to enhance your listening experience:
- Balanced Sound: Standard audio profile for general listening.
- Bass Boost: Enhances low frequencies for a deeper bass experience.
- High Definition Sound: Optimizes clarity and detail in audio.
Press the EQ button to switch between these modes.

Image: A graphic showing the three distinct sound profiles: High Definition Sound, Balanced Sound, and Extra Powerful Bass, selectable via the EQ button.
Making Calls
The built-in ENC (Environmental Noise Cancellation) microphone ensures crystal-clear calls by isolating your voice from background noise.
- Answer/End Call: Press the MFB button once.
- Reject Call: Press and hold the MFB button for 2 seconds.
- Redial Last Number: Double-press the MFB button.
Maintenance
Cleaning
To maintain the quality and longevity of your headphones:
- Wipe the earcups and headband with a soft, dry cloth.
- Avoid using harsh chemicals or abrasive materials.
Storage
The foldable design allows for easy storage. Use the provided storage pouch to protect your headphones when not in use or during travel.

Image: The DOQAUS LIFE 3 headphones are shown folded compactly, demonstrating their space-saving design for portability.
Troubleshooting
Reset Guide
If you experience system issues, try resetting the headphones:
- The reset button is integrated into the AUX socket.
- Use a screw or another small, pointed object to insert into the AUX jack.
- Press the reset button inside.
- Switch the device on again.
If the issue persists, please contact customer service.
Specifications
| Feature | Detail |
|---|---|
| Brand | DOQAUS |
| Model Name | LIFE 3 |
| Ear Placement | Over Ear |
| Connectivity Technology | Wired, Wireless (Bluetooth 5.3) |
| Battery Average Life | 90 Hours |
| Audio Driver Size | 40 Millimeters |
| Noise Control | Sound Isolation |
| Control Type | Media Control |
| Control Method | Touch |
| Item Weight | 8.11 Ounces |
| Compatible Devices | Smart Phone, iPhone, Android, iPad, Computer, Mac/Windows Laptop, PC, TV, All Bluetooth Enabled Device or with 3.5mm Audio Output |
Warranty and Support
Warranty Extension
Register your DOQAUS product to extend the guarantee by 2 years. DOQAUS guarantees free replacement or repair of all defective parts or the entire product.
Note: The guarantee does not cover severe damage caused by external factors.
Customer Service
For any questions or support, please contact customer service directly. Emails are typically processed within 24 hours.
Email: support@doqaus.com
Product Videos
DOQAUS LIFE 3 Bluetooth Headphones - A Wonderful Music Experience for you
Video: An official product video showcasing the DOQAUS LIFE 3 Bluetooth Headphones in various usage scenarios, highlighting their design and features.





