Introduction
Thank you for choosing the Btootos A90 Pro Wireless Earbuds. These earbuds are designed to provide a superior audio experience with advanced Bluetooth 5.4 technology, Environmental Noise Cancellation (ENC), and a durable IP7 waterproof rating. This manual will guide you through the setup, operation, and maintenance of your new earbuds.
What's in the Box
- A90 Pro Wireless Earbuds (L/R)
- Portable Charging Case
- Silicone Earplugs (S / M / L sizes)
- USB-C Charging Cable
- User Manual
This image displays all items found within the product packaging: the A90 Pro Wireless Earbuds, their portable charging case, three sizes of silicone earplugs (S, M, L), a USB-C charging cable, and the user manual.
Product Overview
The A90 Pro earbuds feature a sleek design with intuitive controls and a smart charging case.
Charging Case
The charging case is equipped with an LED display that shows the battery level of both the case and each earbud, allowing for precise power management. This image showcases the rose gold charging case with the earbuds inside, highlighting the front-facing LED display that indicates the charge level of both the case and the individual earbuds.
Earbuds
Each earbud is lightweight and ergonomically designed for comfort during extended use. They feature touch controls for various functions and are equipped with ENC noise-cancelling microphones for clear calls. This image illustrates the comfortable fit of the A90 Pro earbud in a user's ear, along with a visual representation of the three different silicone ear tip sizes (S, M, L) provided for optimal fit.
Setup
1. Initial Charging
Before first use, fully charge the earbuds and the charging case. Connect the provided USB-C charging cable to the charging port on the case and a compatible USB power source. The LED display will show the charging progress.
2. Pairing with Your Device
- Take both earbuds out of the charging case. They will automatically power on and enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for 'A90 Pro' in the list of available devices.
- Select 'A90 Pro' to connect. Once connected, you will hear a voice prompt indicating successful pairing.
This diagram illustrates how to easily pair the A90 Pro earbuds with various devices (iOS, Android, Windows) by simply opening the case and selecting 'A90 Pro' from the Bluetooth device list.
3. Wearing the Earbuds
Choose the silicone ear tips that best fit your ears for optimal comfort and sound quality. Gently insert the earbuds into your ear canal and rotate them slightly to ensure a secure and comfortable fit.
Operating Instructions
The A90 Pro earbuds feature intuitive touch controls on each earbud.
| Function | Action |
|---|---|
| Play/Pause | Tap once on either earbud |
| Next Track | Quickly triple-tap the right earbud |
| Previous Track | Quickly triple-tap the left earbud |
| Volume Up | Tap the right earbud once |
| Volume Down | Tap the left earbud once |
| Answer Call | Tap once on either earbud |
| End Call | Press and hold for 2 seconds on either earbud |
| Activate Voice Assistant | Single tap on either earbud |
This image visually explains the various touch controls for functions like play/pause, answering calls, volume adjustment, and track navigation. It also highlights the IP7 waterproof rating, indicating resistance to sweat and rain.
Single/Dual Earbud Use
The A90 Pro earbuds support both single and dual earbud use. You can use one earbud while the other charges, or share one earbud with a friend.
This diagram illustrates the flexibility of using the earbuds in single or dual mode, allowing users to switch freely between modes. It also notes the lightweight design of each earbud (3.8g).
Maintenance
Cleaning
Regularly clean the earbuds and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials. Ensure charging contacts are free of dust and debris.
Water Resistance
The A90 Pro earbuds are IP7 waterproof, meaning they are resistant to sweat and rain. They are not designed for swimming or submersion in water. Ensure the earbuds are dry before placing them back into the charging case to prevent damage.
Battery Care
To prolong battery life, avoid fully discharging the earbuds and charging case frequently. Store in a cool, dry place when not in use for extended periods.
Troubleshooting
| Issue | Possible Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged. Turn off and on Bluetooth on your device. Forget 'A90 Pro' from your device's Bluetooth list and re-pair. |
| No sound/Low volume | Adjust volume on both earbuds and connected device. Ensure earbuds are properly seated in your ears. |
| Charging issues | Check USB-C cable and power source. Ensure charging contacts on earbuds and case are clean. |
| Poor call quality | Ensure earbuds are clean and microphones are not obstructed. Move closer to your connected device. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | A90 Pro |
| Bluetooth Version | 5.4 |
| Wireless Range | Up to 15 meters (without obstacles) |
| Noise Control | Passive Noise Cancellation, Sound Isolation (ENC for calls) |
| Audio Driver Size | 14.2 Millimeters |
| Earbud Playtime | 6-8 hours on a single charge |
| Total Playtime (with case) | Up to 36 hours |
| Charging Case Battery Capacity | 300 Milliamp Hours |
| Charging Time (Case) | 1.5 hours |
| Charging Port | USB-C |
| Water Resistance Level | IP7 Waterproof |
| Control Type | Touch Control |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
Official Product Video
This video provides an unboxing experience of the Btootos A90 Pro earbuds, demonstrating the compact design, the LED display on the charging case, and the ease of pairing. It also highlights the IP7 waterproof feature and touch controls.
Warranty and Support
Btootos products come with a standard manufacturer's warranty. For detailed warranty information, product registration, or technical support, please visit the official Btootos website or contact their customer service. Contact information can typically be found on the product packaging or the official brand store page on Amazon.
The Btootos team is dedicated to providing better products and attentive customer service. Your satisfaction is their greatest motivation.
