KAIDI KD-780 True Wireless Earbuds User Manual

1. Introduction

Thank you for choosing the KAIDI KD-780 True Wireless Earbuds. These earbuds are designed to provide a high-quality audio experience with advanced features such as Bluetooth 5.3 connectivity, active noise cancellation, and intuitive touch controls. Please read this manual carefully to ensure proper use and maintenance of your device.

2. Package Contents

• KAIDI KD-780 True Wireless Earbuds (Left and Right)
• Charging Case
• USB to Lightning Charging Cable
• User Manual

3. Product Overview

Familiarize yourself with the components of your KAIDI KD-780 earbuds and charging case.

Image: The KAIDI KD-780 True Wireless Earbuds are shown in their open charging case, alongside a closed charging case. Both are white with the 'KAIDI' logo.

Image: The front and back of the KAIDI KD-780 product box, displaying the earbuds, charging case, and key features in Portuguese.

4. Setup

4.1. Charging the Earbuds and Case

• Place the earbuds into the charging case. Ensure they are correctly seated.
• Connect the USB to Lightning charging cable to the charging port on the case and a power source.
• The indicator light on the case will show charging status. A full charge takes approximately 2 hours for the case.
• The charging case provides multiple extra charges for the earbuds, extending total playback time up to 20 hours.

4.2. Pairing with Your Device

First-time Pairing:

1. Open the charging case. The earbuds will automatically enter pairing mode.
2. On your smartphone or Bluetooth-enabled device, go to Bluetooth settings.
3. Search for available devices and select "KD-780" (or similar name).
4. Once connected, you will hear a confirmation tone, and the indicator light on the case may change.

Image: A hand holding the open charging case, with a phone screen showing Bluetooth settings and a 'Connected' status, illustrating the one-step pairing process.

Subsequent Pairing:

• Once paired, the earbuds will automatically connect to the last paired device when removed from the charging case.

5. Operating Instructions

5.1. Power On/Off

• Power On: Open the charging case, or take the earbuds out of the case.
• Power Off: Place the earbuds back into the charging case and close the lid.

5.2. Touch Controls

The KD-780 earbuds feature intuitive touch controls. Specific functions may vary slightly depending on your device and operating system.

• 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.
• Reject Call: Press and hold on either earbud.
• Activate Voice Assistant: Triple tap on either earbud.
• Volume Control: (Check device settings or app for specific volume control gestures if not default).

5.3. Active Noise Cancellation (ANC)

The KD-780 earbuds feature Active Noise Cancellation to reduce ambient noise for a more immersive listening experience. The feature bullets mention 'Cancelamento de ruído ativo híbrido' indicate this functionality.

• Toggle ANC: Press and hold the touch area on either earbud for approximately 2 seconds to switch between ANC On, Transparency Mode, and ANC Off.

Image: A diagram illustrating superior audio, physical noise reduction, and powerful volume, highlighting the sound quality features of the earbuds.

6. Maintenance

6.1. Cleaning

• Use a soft, dry, lint-free cloth to clean the earbuds and charging case.
• Do not use abrasive cleaners, solvents, or aerosol sprays.
• Keep the charging contacts on both the earbuds and the case clean and dry.

6.2. Storage

• Store the earbuds in their charging case when not in use to protect them and keep them charged.
• Avoid storing the device in extreme temperatures or high humidity.

6.3. Water Resistance

The earbuds are resistant to splashes (IPX4 rating), making them suitable for workouts and light rain. However, they are not fully waterproof and should not be submerged in water.

7. Troubleshooting

• Earbuds not pairing: Ensure both earbuds are in the charging case, open the lid, and check your device's Bluetooth settings. Try forgetting the device and re-pairing.
• Only one earbud working: Place both earbuds back in the case, close the lid, wait a few seconds, then open and try again. Ensure both earbuds are charged.
• No sound: Check the volume on your device and the earbuds. Ensure the earbuds are properly connected to your device.
• Charging issues: Ensure the charging cable is securely connected and the power source is working. Clean the charging contacts if necessary.

8. Specifications

Image: A close-up of a microchip labeled '5.3', representing the advanced Bluetooth 5.3 technology for stable and continuous connection.

Image: A comparison graphic showing Bluetooth 5.0 vs. Bluetooth 5.3, highlighting 95% connection speed, stability, and sound quality for 5.3.

9. Official Product Videos

10. Warranty and Support

Your KAIDI KD-780 True Wireless Earbuds come with a manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support or customer service, please contact your retailer or visit the official KAIDI website.

Manufacturer Warranty: 90 Days