M48 Pro Wireless Earbuds User Manual

1. Introduction

Thank you for choosing the M48 Pro Wireless Earbuds. These earbuds are designed to provide a high-quality audio experience with advanced features such as Bluetooth 5.3 connectivity, Environmental Noise Cancellation (ENC) for clear calls, a convenient LED display on the charging case, and IP7 waterproof rating for durability. This manual will guide you through the setup, operation, and maintenance of your new earbuds.

Image 1: M48 Pro Wireless Earbuds securely placed within their charging case, showcasing the digital LED battery display on the front of the case.

2. What's in the Box

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

• M48 Pro Earbuds (Left and Right)
• Charging Case
• USB Charging Cable
• S/M/L Eartips (one set pre-installed, two additional sets)
• Product Manuals

3. Setup

3.1 Charging the Earbuds and Case

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

1. Place the earbuds into the charging case. Ensure they are correctly seated; magnetic contacts will hold them in place.
2. Connect the USB charging cable to the charging port on the case and the other end to a USB power adapter (not included) or a computer's USB port.
3. The LED display on the charging case will show the battery percentage of the case and individual charging indicators for the earbuds.
4. Charging is complete when the LED display shows 100% for the case and the earbud indicators are full.

A full charge provides approximately 6 hours of playtime for the earbuds, with the charging case extending total playtime to 36 hours.

Image 2: A detailed view of the M48 Pro Earbuds nestled in their charging case, highlighting the dual LED display that indicates battery levels for both the case and individual earbuds.

3.2 Pairing with Your Device

The M48 Pro Earbuds utilize Bluetooth 5.3 for a stable and fast connection.

1. Ensure the earbuds are charged and placed inside the charging case.
2. Open the charging case lid. The earbuds will automatically enter pairing mode, and their indicator lights will flash.
3. On your device (smartphone, tablet, computer), go to the Bluetooth settings.
4. Search for "M48 Pro" in the list of available devices and select it to connect.
5. Once connected, a voice prompt will confirm the successful pairing, and the earbud indicator lights will turn off.
6. For subsequent uses, the earbuds will automatically connect to the last paired device when removed from the case, provided Bluetooth is enabled on your device.

4. Operating Instructions

4.1 Smart Touch Controls

The M48 Pro Earbuds feature intuitive touch controls on each earbud for easy management of audio and calls.

4.2 Making and Receiving Calls

The M48 Pro Earbuds are equipped with 4 ENC (Environmental Noise Cancellation) microphones to ensure crystal clear calls by reducing background noise.

• Answering a Call: Single tap either earbud.
• Ending a Call: Single tap either earbud.
• Rejecting a Call: Long press either earbud for 2 seconds.

Image 3: The M48 Pro Earbuds alongside a smartphone, illustrating the ENC HD Voice Call capability, LED Smart Digital Display, and the music/game dual mode feature.

5. Maintenance

Proper maintenance ensures the longevity and optimal performance of your M48 Pro Earbuds.

• Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Do not use abrasive cleaners or solvents. Gently wipe the charging contacts on both the earbuds and the case to ensure good connection.
• Water Resistance: The earbuds are IP7 waterproof, meaning they are protected against immersion in water up to 1 meter for up to 30 minutes. While suitable for workouts and light rain, avoid prolonged submersion or exposure to saltwater/chemicals. Ensure earbuds are dry before placing them back in the charging case.
• Storage: When not in use, store the earbuds in their charging case to protect them from dust and damage. Store in a cool, dry place away from extreme temperatures.
• Battery Care: To preserve battery life, avoid fully discharging the earbuds and case frequently. Charge them regularly, even if not in constant use.

6. Troubleshooting

If you encounter any issues with your M48 Pro Earbuds, please refer to the following common solutions:

• Earbuds not pairing/connecting:
  • Ensure both earbuds are charged.
  • Turn off and then turn on Bluetooth on your device.
  • Forget "M48 Pro" from your device's Bluetooth list and attempt to re-pair.
  • Place earbuds back in the case, close the lid, wait a few seconds, then open the lid to re-enter pairing mode.
• No sound from one earbud:
  • Ensure both earbuds are charged.
  • Try placing both earbuds back in the case, closing the lid, and then taking them out again.
  • Clean the charging contacts on both the earbud and inside the case.
• Charging case not charging:
  • Ensure the USB cable is securely connected to both the case and the power source.
  • Try a different USB cable or power adapter.
• Poor call quality:
  • Ensure the earbuds are properly seated in your ears.
  • Check for strong Bluetooth signal (stay within range of your device).
  • Ensure microphones are not obstructed.

7. Specifications

8. Warranty and Support

The M48 Pro Wireless Earbuds come with a standard manufacturer's warranty. For specific warranty details, please refer to the warranty card included in your product packaging or contact the seller directly.

If you require further assistance or have questions not covered in this manual, please contact our customer support team through the platform where you purchased the product. Please have your purchase details and model number (M48 Pro) ready when contacting support.