Btootos A90 Pro Wireless Earbuds User Manual

1. Introduction

Thank you for choosing the Btootos A90 Pro Wireless Earbuds. This manual provides essential information on how to set up, operate, maintain, and troubleshoot your new earbuds. Please read it carefully to ensure optimal performance and longevity of your device.

Key Features:

• Advanced Bluetooth 5.4 Technology: Ensures stable and fast connection with low latency up to 15 meters.
• Outstanding ENC Noise Reduction: Dual 14.2mm dynamic drivers with ENC calling noise cancellation for clearer calls.
• LED Power Display: Digital display on the charging case shows battery levels for both case and earbuds.
• Extended Playtime: Up to 6-8 hours on a single charge, with a total of 36 hours using the charging case.
• IP7 Waterproof Design: Ultra-light Nano coating provides resistance against dust, sweat, and rain.
• Ergonomic Design: Comfortable in-ear fit with soft silicone ear caps.
• Intuitive Touch Controls: Easy management of music, calls, and voice assistant.

What's in the Box:

Image: Contents of the Btootos A90 Pro package, showing the earbuds, charging case, USB-C charging cable, and silicone earplugs.

• A90 Pro Wireless Earbuds (L/R)
• Portable Charging Box
• USB-C Charging Cable
• Silicone Earplugs (S / M / L)
• User Manual

2. Product Overview

Familiarize yourself with the components of your Btootos A90 Pro Wireless Earbuds.

Image: The Btootos A90 Pro Wireless Earbuds resting in their charging case, displaying the digital battery percentage.

Earbud Components:

• Touch Control Area: For managing playback, calls, and voice commands.
• Microphone: For calls and voice commands.
• Charging Contacts: Connects with the charging case.
• Ear Tip: Silicone tips for comfortable fit and sound isolation.

Charging Case Components:

• LED Digital Display: Shows battery percentage of the case and individual earbuds.
• USB-C Charging Port: For charging the case.
• Earbud Charging Slots: Holds and charges the earbuds.

Image: Detailed dimensions of the Btootos A90 Pro earbuds and their charging case, indicating their compact size.

3. Setup

Initial Charging:

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

1. Place the earbuds into the charging case.
2. Connect the USB-C charging cable to the charging port on the case and plug the other end into a USB power source (e.g., wall adapter, computer USB port).
3. The LED display on the case will show the charging progress. A full charge typically takes about 1.5 hours.

Image: The Btootos A90 Pro charging case being charged via a USB-C cable, highlighting its long playtime capacity.

Image: A close-up of the digital LED display on the charging case, indicating the remaining power for both the case and each earbud.

Pairing with Your Device:

The A90 Pro earbuds feature one-step pairing for quick and easy connection.

1. Ensure Bluetooth is enabled on your device (smartphone, tablet, laptop, etc.).
2. Open the charging case. The earbuds will automatically power on and enter pairing mode.
3. On your device, search for Bluetooth devices and select "A90 Pro" from the list.
4. Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.

Image: A visual guide demonstrating the simple one-step pairing process: open the case, and the earbuds automatically connect to your device.

The earbuds will automatically reconnect to the last paired device when taken out of the case, if Bluetooth is enabled on the device.

4. Operating Instructions

Touch Controls:

The A90 Pro earbuds feature sensitive touch controls for easy management of your audio and calls.

Image: An illustration detailing the various touch control functions on the earbuds, including playback, volume, and call management.

Single and Dual Earbud Mode:

You can use either earbud independently or both together for a stereo experience.

• Single Earbud Mode: Simply take one earbud out of the case. It will automatically connect to your device.
• Dual Earbud Mode: Take both earbuds out of the case. They will automatically pair with each other and then connect to your device.

Image: A visual representation of how the earbuds can be used in single or dual mode, offering flexible listening options.

5. Maintenance

Cleaning:

Regular cleaning helps maintain sound quality and hygiene.

• Use a soft, dry, lint-free cloth to wipe the earbuds and charging case.
• For ear tips, remove them from the earbuds and clean with a mild soap solution if necessary, then rinse and dry thoroughly before reattaching.
• Do not use abrasive cleaners or solvents.

Water Resistance (IP7):

The A90 Pro earbuds are IP7 waterproof, meaning they are protected against immersion in water up to 1 meter for up to 30 minutes. They are resistant to sweat and rain, making them suitable for workouts and outdoor activities.

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

Image: The earbuds shown with water droplets, emphasizing their IP7 waterproof rating for resistance against sweat and rain.

Storage:

When not in use, store the earbuds in their charging case to protect them and keep them charged.

6. Troubleshooting

If you encounter issues with your Btootos A90 Pro earbuds, try the following solutions:

7. Specifications

Detailed technical specifications for the Btootos A90 Pro Wireless Earbuds.

8. Official Product Videos

Watch these official videos from Btootos for additional guidance and product demonstrations.

9. Warranty and Support

Btootos products are designed for reliability and performance. For any questions, technical support, or warranty claims, please contact Btootos customer service through the official channels.

You can visit the official Btootos store on Amazon for more information and support: Btootos Store