Introduction
Thank you for choosing DOQAUS Bluetooth Headphones. This manual provides essential information for setting up, operating, and maintaining your headphones to ensure optimal performance and longevity. These over-ear headphones offer up to 90 hours of playtime, three EQ modes, HiFi audio with deep bass, and an ENC noise-isolating microphone for clear calls.

Figure 1: DOQAUS LIFE 3 Bluetooth Headphones, Green variant.
What's in the Box
- LIFE 3 Headphone over ear
- USB charging cable
- Aux audio cable
- User Manual
- Storage Pouch
Product Overview
The DOQAUS LIFE 3 headphones are designed for superior audio experience and comfort. Key features include:
- Premium Durability & Comfort: Crafted with high-grade nylon headband and silicone inner padding for lasting quality and comfort.
- Massive 90H Playtime & Versatile Use: Up to 90 hours of battery life in Bluetooth mode, with quick charging. Supports both wireless and wired connections.
- Ergonomic Comfort for Extended Wear: Soft, ventilated ear cushions and an ergonomic fit ensure secure and comfortable wear for various head shapes.
- Bluetooth 5.3 & Crystal Clear Calls: Dual 40mm drivers for powerful sound, stable Bluetooth 5.3 connection, and a built-in ENC microphone for clear hands-free calls.
- 3 Pro-Tuned EQ Modes & CD Quality: Customize your audio with Balanced, Bass Boost, and High Definition EQ modes, delivering rich, immersive sound.

Figure 2: Adjustable headband and soft earcups ensure a comfortable fit for extended wear.

Figure 3: The foldable design allows for easy storage and portability.
Setup
1. Charging the Headphones
Before first use, fully charge your DOQAUS LIFE 3 headphones. A full charge takes approximately 2.5 hours. A 10-minute quick charge provides up to 5 hours of playtime.
- Connect the provided USB charging cable to the USB-C charging port on the headphones and to a compatible USB power source.
- The LED indicator will show charging status (refer to the LED indicator section for details).
2. Bluetooth Pairing
The headphones use Bluetooth 5.3 for a stable connection up to 10 meters (33 feet).
- Ensure the headphones are turned 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 "DOQAUS LIFE 3" in the list of available devices.
- Select "DOQAUS LIFE 3" to connect. The LED indicator will turn solid blue when successfully paired.

Figure 4: Advanced Bluetooth 5.3 ensures a stable and fast wireless connection.
3. Controls Overview
Familiarize yourself with the control buttons located on the earcup:

Figure 5: Control layout including Volume Up/Down, MFB, EQ Mode, ON/OFF, LED Indicator, USB-C Charging Port, and 3.5mm Audio Jack.
- Volume Up (+): Increase volume.
- Volume Down (-): Decrease volume.
- MFB (Multi-Function Button): Play/Pause, Answer/Hang Up calls, Call Back, Next Track/Previous Track.
- EQ Button: Cycle through 3 customized EQ modes.
- ON/OFF Button: Power the headphones on or off.
- LED Indicator: Displays power, pairing, and charging status.
- USB-C Charging Port: For charging the headphones.
- 3.5mm Audio Jack: For wired connection using the included Aux audio cable.
Operating Instructions
1. EQ Modes
The DOQAUS LIFE 3 headphones feature 3 pre-tuned EQ modes to enhance your listening experience. Press the EQ button to switch between modes:
- Balanced Mode: Provides a neutral and clear sound profile, suitable for most music genres.
- Bass Boost Mode: Enhances low frequencies for a more powerful and impactful bass.
- High Definition Mode: Optimizes for clarity and detail across the audio spectrum.

Figure 6: Customize your audio with three distinct EQ modes.
Video 1: Demonstrates the DOQAUS LIFE 3 Bluetooth Headphones, highlighting features like EQ modes, comfort, and call clarity.
2. Handling Calls
The built-in ENC noise-isolating microphone ensures crystal-clear hands-free calls.
- Answer/End Call: Press the MFB once.
- Reject Call: Press and hold the MFB for 2 seconds.
- Redial Last Number: Double-press the MFB.
3. Wired Connection
For situations where Bluetooth is not available or preferred, you can use the included 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.
- Note: In wired mode, the headphone's battery is not consumed, and some functions like EQ mode switching may be unavailable.
Maintenance
To ensure the longevity and performance of your headphones:
- Clean the earcups and headband regularly with a soft, dry cloth.
- Avoid exposing the headphones to extreme temperatures, humidity, or direct sunlight.
- Do not use abrasive cleaners or solvents.
- Store the headphones in the provided storage pouch when not in use to protect them from dust and scratches.
- Gently remove your headphones every few hours during extended listening sessions to allow your ears to rest.
Troubleshooting
| Problem | Solution |
|---|---|
| Headphones won't turn on. | Ensure the headphones are fully charged. Connect to a power source and try again. |
| Cannot pair with device. |
|
| No sound or low volume. |
|
| Poor call quality. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | LIFE 3 |
| Connectivity Technology | Wired, Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Bluetooth Range | 10 Meters |
| Battery Life | 90 Hours (Playtime) |
| Charging Time | 2.5 Hours |
| Audio Driver Type | Dynamic Driver (40mm) |
| Frequency Response | 20Hz-20000Hz |
| Headphones Jack | 3.5 mm Jack |
| Noise Control | Sound Isolation (ENC Mic) |
| Material | Leather, Plastic, Premium Memory Foam |
| Item Weight | 13.4 ounces |
Warranty and Support
DOQAUS provides an 18-month warranty for your headphones. For any questions, technical support, or warranty claims, please contact DOQAUS customer service. Our support team is available 24/7 to assist you.
Visit the official DOQAUS store for more information and contact options: DOQAUS Store





