Devia EM409 TWS-E4 ANC Bluetooth 5.3 Earbuds User Manual

Introduction

Thank you for choosing the Devia EM409 TWS-E4 ANC Bluetooth 5.3 Earbuds. This manual provides detailed instructions for setting up, operating, and maintaining your new wireless earbuds. Please read this manual carefully before use to ensure optimal performance and longevity of your device.

Package Contents

Please check the package contents upon unboxing. If any items are missing or damaged, please contact your retailer.

• Devia EM409 TWS-E4 Earbuds (Left and Right)
• Charging Case
• USB Charging Cable
• Silicone Ear Tips (various sizes)
• User Manual

Product Overview

Familiarize yourself with the components of your Devia EM409 TWS-E4 earbuds and charging case.

Image 1: Devia EM409 TWS-E4 Earbuds in their open charging case. The earbuds are dark blue with metallic accents, and the case is also dark blue with a reflective interior.

Earbuds

• Touch Control Area: For managing playback, calls, and modes.
• Microphone: For calls and voice commands.
• Ear Tip: Replaceable silicone tips for comfort and sound isolation.

Charging Case

• Charging Port: USB port for charging the case.
• LED Indicator: Shows charging status and battery level.
• Earbud Charging Slots: Securely holds and charges the earbuds.

Setup

1. Initial Charging

Before first use, fully charge the charging case and earbuds.

1. Connect the USB charging cable to the charging port on the case and to a power source (e.g., USB wall adapter, computer USB port).
2. The LED indicator on the case will show the charging status. Once fully charged, the indicator will change or turn off.
3. Place the earbuds into the charging case. They will begin charging automatically. The earbuds' indicators will show their charging status.

The Devia EM409 features Fast Charging and offers up to 42 hours of super endurance with the charging case.

2. Bluetooth Pairing

To connect your earbuds to a device:

1. Ensure the earbuds are fully charged.
2. Open the charging case. The earbuds will automatically enter pairing mode, and their LED indicators will flash.
3. On your device (smartphone, tablet, etc.), enable Bluetooth.
4. Search for available Bluetooth devices and select "Devia EM409" or "TWS-E4".
5. Once connected, the earbuds' LED indicators will stop flashing, and you will hear a confirmation tone.
6. The earbuds will automatically reconnect to the last paired device when taken out of the case, if Bluetooth is enabled on the device.

Operating Instructions

Basic Touch Controls

The Devia EM409 earbuds feature intuitive touch controls on each earbud. Specific functions may vary slightly depending on your device and application.

• Play/Pause: Single tap on either earbud.
• Next Track: Double tap on the right earbud.
• Previous Track: Double tap on the left earbud.
• Answer/End Call: Single tap on either earbud during an incoming call.
• Reject Call: Press and hold either earbud for 2 seconds during an incoming call.
• Activate Voice Assistant: Triple tap on either earbud.

ANC (Active Noise Reduction) & ENC (Environmental Noise Cancellation)

The EM409 earbuds are equipped with advanced noise cancellation technologies:

• ANC (Active Noise Reduction): Reduces ambient noise, allowing for a more immersive listening experience.
• ENC (Environmental Noise Cancellation): Enhances call clarity by reducing background noise during phone conversations.

To switch between ANC, Transparency Mode, and Normal Mode: Press and hold the touch control area on the left earbud for 2 seconds.

Game Mode

Activate Game Mode for ultra-low latency audio, providing a synchronized and immersive gaming experience.

To activate/deactivate Game Mode: Press and hold the touch control area on the right earbud for 2 seconds.

Hi-Fi Sound Effects

Experience high-fidelity audio with rich bass and clear treble, optimized for various music genres.

Maintenance

Proper care ensures the longevity and performance of your earbuds.

• Cleaning: Use a soft, dry, lint-free cloth to clean the earbuds and charging case. Do not use harsh chemicals or abrasive materials.
• Ear Tips: Remove ear tips periodically and clean them with water and mild soap. Ensure they are completely dry before reattaching.
• Storage: When not in use, always store the earbuds in their charging case to protect them and keep them charged.
• Avoid Water: The earbuds are not waterproof. Avoid exposure to water, moisture, or extreme temperatures.

Troubleshooting

If you encounter issues with your Devia EM409 TWS-E4 earbuds, try the following solutions:

Specifications

Warranty and Support

Devia products are designed with quality and reliability in mind. For warranty information and customer support, please refer to the warranty card included in your package or visit the official Devia website.

Official Website: www.mydevia.com

Image 2: Packaging for Devia ANC TWS-E4 Wireless Earphone Star Series, showing features like Hi-Fi Sound Effects, Game Mode, Fast Charging, ANC+ENC, and 42H Super Endurance. The packaging also displays the brand logo and product name.