DOQAUS LIFE 4 Wireless Bluetooth Headphones User Manual

Introduction

Thank you for choosing the DOQAUS LIFE 4 Wireless Bluetooth Headphones. This manual provides detailed instructions on how to set up, operate, and maintain your headphones to ensure optimal performance and longevity. Please read this manual carefully before using the product and keep it for future reference.

Package Contents

Please check the package contents upon unboxing to ensure all items are present:

• 1 x DOQAUS LIFE 4 Bluetooth Headphones
• 1 x USB Charging Cable
• 1 x 3.5mm Audio Cable (AUX Cable)
• 1 x User Manual

Image: Contents of the DOQAUS LIFE 4 headphone package, including the headphones, charging cable, AUX cable, and user manual.

Product Overview

The DOQAUS LIFE 4 headphones are designed for comfort and superior audio performance. They feature a lightweight, foldable design and 90-degree rotating earcups for portability and a comfortable fit.

Image: A full view of the DOQAUS LIFE 4 Wireless Bluetooth Headphones in light gray.

Key Features:

• Bluetooth 5.3 Technology: Provides a stable and fast wireless connection with a range of up to 20 meters.
• 90-Hour Playtime: Equipped with a 1000mAh battery for extended listening sessions.
• 3 EQ Music Modes: Switch between Balanced, Bass Boost, and High-Resolution sound profiles.
• 40mm Dynamic Drivers: Deliver powerful HD sound quality with rich details.
• Built-in Microphone: For clear hands-free calls.
• Foldable Design & 90° Rotation: Enhances portability and storage.
• Multipoint Connection: Connect to two Bluetooth devices simultaneously.

Controls and Indicators:

The headphone controls are intuitively placed on the earcups for easy access.

Image: Illustration showing the location of the EQ mode button on the DOQAUS LIFE 4 headphones.

• Power Button: On/Off, Play/Pause, Answer/End calls.
• Volume Up/Next Track Button: Short press for volume up, long press for next track.
• Volume Down/Previous Track Button: Short press for volume down, long press for previous track.
• EQ Button: Press to cycle through the 3 EQ modes (Balanced, Bass Boost, High-Resolution).
• LED Indicator: Shows power status, pairing mode, and charging status.
• 3.5mm Audio Port: For wired connection.
• USB-C Charging Port: For charging the headphones.

Setup

Charging the Headphones:

Before first use, fully charge your DOQAUS LIFE 4 headphones. A full charge takes approximately 2.5 hours.

1. Connect the USB charging cable to the USB-C charging port on the headphones.
2. Connect the other end of the USB cable to a USB power adapter (e.g., phone charger, computer USB port).
3. The LED indicator will show red during charging and turn blue when fully charged.

Image: The DOQAUS LIFE 4 headphones highlighting their impressive 90-hour playtime capability.

Bluetooth Pairing:

Pair your headphones with your device (smartphone, tablet, laptop) to enjoy wireless audio.

1. Ensure the headphones are charged and turned off.
2. Press and hold the Power button for approximately 3-5 seconds until the LED indicator flashes red and blue alternately. This indicates pairing mode.
3. On your device, enable Bluetooth and search for available devices.
4. Select "DOQAUS LIFE 4" from the list of found devices.
5. Once connected, the LED indicator will flash blue slowly, and you will hear a confirmation tone.

Note: The headphones support multipoint connection, allowing simultaneous connection to two Bluetooth devices. However, audio will only play from one device at a time.

Image: A close-up of the DOQAUS LIFE 4 headphone earcup, illustrating the advanced Bluetooth 5.3 wireless technology.

Operating Instructions

Power On/Off:

• Power On: Press and hold the Power button for 2 seconds. The LED indicator will flash blue.
• Power Off: Press and hold the Power button for 3 seconds. The LED indicator will flash red and then turn off.

Music Playback:

• Play/Pause: Short press the Power button.
• Volume Up: Short press the Volume Up button.
• Volume Down: Short press the Volume Down button.
• Next Track: Long press the Volume Up button.
• Previous Track: Long press the Volume Down button.

EQ Modes:

The DOQAUS LIFE 4 headphones offer three distinct equalizer modes to enhance your listening experience:

• Balanced Mode: Provides a neutral and well-rounded sound profile, suitable for most music genres.
• Bass Boost Mode: Enhances low frequencies for a more powerful and impactful bass.
• High-Resolution Mode: Optimizes for clarity and detail in high frequencies, ideal for intricate audio.

To switch between EQ modes, short press the EQ button located on the earcup. You will hear an audible prompt indicating the current mode.

Call Function:

• Answer/End Call: Short press the Power button.
• Reject Call: Long press the Power button for 2 seconds.
• Redial Last Number: Double-press the Power button.

Wired Mode (AUX):

You can use the headphones in wired mode even if the battery is depleted.

1. Connect one end of the 3.5mm audio cable to the AUX port on the headphones.
2. Connect the other end to the 3.5mm audio jack of your device.
3. The headphones will automatically switch to wired mode. Note that controls on the headphones (volume, track skip, EQ) may not function in wired mode, and you will need to control audio from your connected device.

Image: The DOQAUS LIFE 4 headphones demonstrating both wireless Bluetooth connectivity and the option for a wired connection via the 3.5mm audio jack.

Maintenance

Proper maintenance will extend the life of your headphones.

• 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. The foldable design allows for compact storage.
• Battery Care: To preserve battery life, charge the headphones at least once every three months if not used regularly. Avoid fully discharging the battery for extended periods.
• Water Resistance: These headphones are not waterproof. Avoid exposure to water or excessive moisture.

Image: The DOQAUS LIFE 4 headphones showcasing their foldable design and earcups that rotate 90 degrees for easy storage and portability.

Troubleshooting

If you encounter issues with your headphones, please refer to the following common problems and solutions:

If the problem persists, please contact DOQAUS customer support for assistance.

Specifications

Warranty and Support

DOQAUS is committed to providing high-quality products and excellent customer service. For any warranty claims, technical support, or product inquiries, please contact DOQAUS customer support directly.

Please refer to the contact information provided on the DOQAUS official website or your purchase platform for the most up-to-date support channels.

Manufacturer: DOQAUS