Matast C16LH Bluetooth 5.4 Wireless Earbuds User Manual

1. Product Overview

Thank you for choosing Matast C16LH Bluetooth 5.4 Wireless Earbuds. These earbuds are designed for an immersive audio experience with clear calls, extended battery life, and a secure, waterproof design. This manual provides essential information for setup, operation, and maintenance.

Image 1.1: Matast C16LH Wireless Earbuds and Charging Case.

Key Features:

• Stereo Sound Quality and Clear Calls: 13mm triple-layer diaphragm drivers for transparent highs and immersive bass. Equipped with four ENC noise-cancelling microphones for enhanced vocal clarity and reduced external noise.
• Extended Playback and LED Display: Up to 8 hours of playback per charge, with the charging case extending total playback to 50 hours. Features a dual LED display showing real-time battery levels for each earbud and the charging case.
• Bluetooth 5.4 Technology: Offers faster transfer speeds, 30% lower power consumption, and 55ms lower latency compared to Bluetooth 5.3, with a stable transmission range of 50ft (approximately 15 meters).
• Multi-Using Mode: Supports both binaural mode for stereo sound and mono mode for independent use of a single earbud.
• Ergonomic Design and IP7 Waterproof: Flexible and soft ear hooks ensure a secure fit during physical activity. Includes three sizes of ear tips (S, M, L) for comfort. IP7 waterproof nano-coating protects against sweat, rain, and water splashes.
• One-Step Pairing and Wide Compatibility: Automatic power-on and instant reconnection to the last paired device upon opening the case. Compatible with a wide range of Bluetooth-enabled devices, including smartphones and computers.

2. Setup

2.1 What's in the Box

• Matast C16LH Wireless Earbuds (Left and Right)
• Charging Case
• USB-C Charging Cable
• Ear Tips (S, M, L sizes)
• User Manual

2.2 Initial Charging

1. Before first use, fully charge the charging case and earbuds.
2. Connect the provided USB-C cable to the charging port on the case and a power source.
3. The built-in dual LED display on the case will show the charging status with a percentage from 1 to 100. The LED light will flash during charging.
4. Place the earbuds into the charging case. They will begin charging automatically. The individual earbud battery indicators on the LED display will show their charging status.
5. A full charge for the case and earbuds typically takes approximately 1.5 hours.

2.3 Pairing with Your Device

1. Ensure the earbuds are charged.
2. Open the charging case. The earbuds will automatically power on and enter pairing mode.
3. On your device (smartphone, tablet, computer), go to the Bluetooth settings.
4. Search for available devices and select "Matast C16LH" (or similar name) from the list.
5. Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.
6. For subsequent uses, the earbuds will automatically reconnect to the last paired device when the case is opened, thanks to the hall effect sensor.

3. Operating Instructions

3.1 Wearing the Earbuds

1. Identify the Left (L) and Right (R) earbuds.
2. Gently place the earbud into your ear canal.
3. Adjust the flexible ear hook over your ear to ensure a secure and comfortable fit. Experiment with the different ear tip sizes (S, M, L) to find the best seal for optimal sound quality and comfort.

3.2 Touch Controls

The Matast C16LH earbuds feature intuitive touch controls on each earbud for easy management of audio and calls.

• Play/Pause: Single tap on either earbud.
• Next Track: Double tap on the right earbud.
• Previous Track: Double tap on the left earbud.
• Volume Up: Triple tap on the right earbud.
• Volume Down: Triple tap on the left earbud.
• Answer/End Call: Single tap on either earbud during an incoming call or active call.
• Reject Call: Press and hold either earbud for 2 seconds during an incoming call.
• Activate Voice Assistant: Press and hold either earbud for 3 seconds.

3.3 Multi-Using Modes

• Binaural Mode: Use both earbuds simultaneously for stereo sound. This is the default mode when both earbuds are removed from the case.
• Mono Mode: Use a single earbud independently. Simply remove one earbud from the case and leave the other in the case. The active earbud will connect to your device.

4. Maintenance

4.1 Cleaning

• Regularly clean the earbuds, especially the ear tips and charging contacts, with a soft, dry, lint-free cloth.
• Remove ear tips and clean them with mild soap and water if necessary, ensuring they are completely dry before reattaching.
• Do not use abrasive cleaners or solvents.

4.2 Water Resistance (IP7)

The Matast C16LH earbuds feature an IP7 waterproof nano-coating, providing protection against sweat, rain, and water splashes. This makes them suitable for workouts and outdoor activities.

• Do not submerge the earbuds in water for extended periods.
• Ensure the earbuds are dry before placing them back into the charging case to prevent damage to the charging contacts.

4.3 Storage

• When not in use, store the earbuds in their charging case to protect them and keep them charged.
• Store the case and earbuds in a cool, dry place, away from extreme temperatures and direct sunlight.

5. Troubleshooting

5.1 Pairing Issues

• Earbuds not connecting to device: Ensure Bluetooth is enabled on your device. Place earbuds back in the case, close it, then open it again to re-enter pairing mode. Forget the device in your phone's Bluetooth settings and try pairing again.
• Only one earbud connecting: Place both earbuds back in the charging case, close the lid, then open it again. Ensure both earbuds are removed simultaneously. If the issue persists, try resetting the earbuds (refer to manufacturer's website for specific reset instructions if not provided).

5.2 Sound Issues

• Low volume or no sound: Check the volume levels on both your device and the earbuds. Ensure earbuds are properly seated in your ears for a good seal. Clean any debris from the earbud speakers and ear tips.
• Intermittent sound or disconnections: Ensure your device is within the 50ft (15m) Bluetooth range. Avoid obstacles between your device and the earbuds. Try disconnecting and reconnecting the earbuds.

5.3 Charging Issues

• Earbuds not charging in case: Ensure the charging case has sufficient battery. Clean the charging contacts on both the earbuds and inside the case. Ensure earbuds are correctly seated in the case.
• Charging case not charging: Verify the USB-C cable and power adapter are working correctly. Ensure the cable is securely connected to the charging port.

6. Specifications

7. Warranty and Support

7.1 Warranty Information

Matast products are typically covered by a manufacturer's warranty. Please refer to the warranty card included with your product packaging or visit the official Matast website for detailed warranty terms and conditions.

7.2 Customer Support

For further assistance, technical support, or inquiries regarding your Matast C16LH Wireless Earbuds, please contact Matast customer service through their official website or the contact information provided in your product documentation.