FOYCOY D8 Bluetooth Headphones User Manual

1. Introduction

Thank you for choosing the FOYCOY D8 Bluetooth Headphones. These wireless earbuds are designed for an active lifestyle, offering extended playtime, secure fit, and high-fidelity audio. This manual provides detailed instructions on how to set up, operate, maintain, and troubleshoot your headphones to ensure optimal performance.

Image: The FOYCOY D8 Bluetooth Headphones, showing both earbuds and the charging case with its LED display.

2. Package Contents

Ensure all items are present in your package:

• FOYCOY D8 Wireless Earbuds (Left and Right)
• 2600mAh Wireless Charging Case
• USB-C Charging Cable
• User Manual (this document)
• Additional Eartips (S, M, L sizes; M size pre-installed)

Image: An illustration showing the FOYCOY D8 earbuds, charging case, USB-C cable, and different sized eartips included in the package.

3. Product Overview

The FOYCOY D8 headphones feature an ergonomic design with over-ear earhooks for a secure and comfortable fit, ideal for sports and active use. The charging case provides extended battery life and doubles as a power bank.

Earbud Components:

• Multi-function Button: For controlling music, calls, and voice assistant.
• Microphone: Built-in for clear calls.
• Charging Contacts: For charging within the case.
• Earhook: Provides secure fit over the ear.
• Eartip: Soft silicone for in-ear comfort and sound isolation.

Charging Case Components:

• LED Power Display: Shows remaining battery percentage of the case and charging status of individual earbuds.
• USB-C Input Port: For charging the case.
• USB Output Port: To use the case as a power bank for other devices.
• Wireless Charging Area: For wireless charging of the case.

Image: A visual overview of the FOYCOY D8 headphones and their charging case, illustrating features such as extended playtime, wireless charging, and power bank capability.

4. Setup

4.1 Initial Charge & Preparation

Before first use, ensure the earbuds and charging case are fully charged.

1. Remove Insulating Film: Locate and remove the protective insulating film from the charging contacts on both earbuds. The headphones will not turn on or charge if these films are not removed.
2. Charge the Case: Connect the charging case to a power source using the provided USB-C cable or place it on a wireless charging pad. The LED display will show the charging progress.
3. Charge the Earbuds: Place both earbuds into the charging case. Ensure they are properly seated; the LED display on the case will show their charging status.

Important: If the charging case is over-discharged (shows "0"), it may take 15-30 minutes for the LED display to update after plugging in the power supply.

Image: The charging case displaying its battery percentage and the charging status of the earbuds.

4.2 Choosing and Wearing Eartips

Selecting the correct eartip size is crucial for comfort, secure fit, and optimal sound quality.

1. Choose Eartips: Experiment with the included S, M, and L sized eartips to find the pair that provides the best seal and comfort for your ears. The M size is pre-installed.
2. Install Eartips: Gently attach the chosen eartips to the earbuds.
3. Wear Earbuds: Place the earbud into your ear canal.
4. Adjust Earhooks: Guide the adjustable earhook over your ear to secure the earbud in place. Ensure a snug and comfortable fit for stability during movement.

Image: Instructions on selecting the correct eartip size and properly wearing the earbuds with the earhooks for a secure fit.

4.3 Pairing with Your Device

The FOYCOY D8 headphones feature one-step auto pairing for convenience.

1. Power On: Take both earbuds out of the charging case. They will automatically power on and enter pairing mode.
2. Activate Bluetooth: On your smartphone, tablet, or other Bluetooth-enabled device, go to the Bluetooth settings.
3. Connect: Search for "D8" in the list of available devices and select it to connect. Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.

The earbuds are compatible with most Bluetooth-enabled devices, including Android smartphones, iPhone series, iPads, MacBooks, computers, and smart TVs.

Image: A visual guide to the one-step auto pairing process, showing the earbuds in their case and the Bluetooth connection screen on a smartphone.

5. Operating Instructions

5.1 Power On/Off

• Power On: Take the earbuds out of the charging case. They will automatically power on.
• Power Off: Place the earbuds back into the charging case. They will automatically power off and begin charging. Alternatively, long press the multi-function button for 2 seconds to manually power off.

5.2 Music Control

• Play/Pause: Click the multi-function button once on either the Left (L) or Right (R) earbud.
• Next Track: Quick-click the Right (R) earbud's multi-function button twice.
• Previous Track: Quick-click the Left (L) earbud's multi-function button twice.
• Volume Up: Long press the Right (R) earbud's multi-function button.
• Volume Down: Long press the Left (L) earbud's multi-function button.

5.3 Call Control

• Answer/End Call: Click the multi-function button once on either L/R earbud.
• Reject Call: Long press the multi-function button for 2 seconds on either L/R earbud.

5.4 Voice Assistant Activation

• Activate Voice Assistant (Siri, Google Assistant, etc.): Quick-click the multi-function button three times on either L/R earbud.

Image: A comprehensive guide to the on-device button controls for music playback, call handling, and activating voice assistants.

5.5 Mono & Binaural Modes

The earbuds support both stereo and mono modes:

• Binaural Mode: Use both earbuds simultaneously for a full stereo sound experience.
• Mono Mode: Use either the left or right earbud independently. This allows you to keep one earbud charging while using the other, or to remain aware of your surroundings.

5.6 Charging the Earbuds & Case

• Earbud Charging: Place the earbuds into the charging case. They will automatically begin charging. The case's LED display will show the charging status of each earbud.
• Case Charging (USB-C): Connect the provided USB-C cable to the charging case's USB-C input port and to a power adapter (not included). The LED display will show the case's battery percentage.
• Case Charging (Wireless): Place the charging case on a compatible wireless charging pad (not included). Ensure the case is centered on the pad for efficient charging.

A full charge provides approximately 9 hours of listening time for the earbuds, and the 2600mAh charging case can provide multiple recharges for a total playtime of up to 120 hours.

Image: The charging case highlighting its large capacity, extended playtime, and support for both Type-C and wireless charging.

5.7 Using the Charging Case as a Power Bank

The 2600mAh charging case can also function as an emergency power bank for your mobile phone or other small devices.

• Connect Device: Use a USB cable (not included) to connect your device to the USB output port on the right side of the charging case.
• Charging: The charging case will begin to charge your connected device. The LED display will show the remaining power of the case.

Image: The charging case being used as an emergency power bank to charge a smartphone.

6. Maintenance

6.1 Cleaning

• Regularly clean the earbuds, especially the eartips and charging contacts, with a soft, dry, lint-free cloth.
• If the wireless earbuds cannot be charged, try wiping the pins and points with an alcohol cloth to remove any residue.
• Do not use harsh chemicals or abrasive materials for cleaning.

6.2 Storage

• Store the earbuds in their charging case when not in use to protect them and keep them charged.
• Store the device in a cool, dry place, away from extreme temperatures and direct sunlight.
• Charge the charging case at least once every two weeks to prevent over-discharge, even if not in regular use.

6.3 Water Resistance (IPX7)

The FOYCOY D8 earbuds are IPX7 waterproof, meaning they can withstand submersion in up to 1 meter of water for 30 minutes. This makes them suitable for workouts, running, and other activities where they may be exposed to sweat or light rain.

• Do not intentionally submerge the earbuds for extended periods or in depths greater than specified.
• The charging case is not waterproof. Keep it dry.
• Ensure earbuds are dry before placing them back into the charging case to prevent damage to the charging contacts.

Image: The earbuds demonstrating their IPX7 waterproof capability, suitable for active use.

7. Troubleshooting

Common Issues & Solutions:

7.1 How to Restore Factory Default Settings

This action will delete all pairing data between the earbuds and your devices. Perform this if you experience persistent connection issues or wish to clear previous pairings.

1. Step 1: Place both earbuds into the charging case. Ensure they are in the charging status.
2. Step 2: Hold the multi-function button on both earbuds for 8 seconds. The earbuds will flash Red & Blue light alternately for 3 seconds, indicating that both earbuds have been reset completely.
3. Step 3: Pick up the earbuds to turn them on. Activate the Bluetooth setting on your device, search for "D8", and select it to connect.

If the issue persists, repeat the steps above.

8. Specifications

9. Warranty & Support

For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official FOYCOY website. Keep your proof of purchase for warranty claims.