Thank you for choosing the Btootos A90 Pro Wireless Earbuds. This manual provides essential information for setting up, operating, and maintaining your new earbuds. Please read it thoroughly to ensure optimal performance and longevity of your device.
What's in the Box
A90 Pro Wireless Earbuds (L/R)
Portable Charging Box
Silicone Earplugs (S / M / L)
USB-C Charging Cable
User Manual
Image: Contents of the Btootos A90 Pro Wireless Earbuds box.
Setup and Pairing
The Btootos A90 Pro earbuds feature advanced Bluetooth 5.4 technology for a fast and stable connection with low latency. They support automatic pairing for convenience.
Initial Pairing
Ensure your device's Bluetooth is turned on.
Open the charging case. The earbuds will automatically power on and enter pairing mode.
On your device, search for Bluetooth devices and select "A90 Pro" from the list.
Once connected, you will hear a voice prompt indicating successful pairing.
Automatic Reconnection
After initial pairing, the earbuds will automatically connect to the last paired device when removed from the charging case.
Image: One-step pairing process for Btootos A90 Pro Wireless Earbuds.
Image: Advanced Bluetooth 5.4 Technology overview.
The earbuds feature intuitive touch controls for easy management of music and calls without needing to access your phone.
Single Tap: Play/Pause music, Answer/End calls.
Double Tap (Left Earbud): Previous track.
Double Tap (Right Earbud): Next track.
Long Press (Left Earbud): Decrease volume.
Long Press (Right Earbud): Increase volume.
Triple Tap: Activate voice assistant.
Image: Touch control functions on the earbuds.
ENC Noise Reduction
Equipped with Environmental Noise Cancellation (ENC) technology and dual 14.2mm low-distortion composite dynamic drivers, the earbuds provide clear audio for calls and an immersive listening experience by filtering out background noise.
Video: Demonstrating A90 Pro wireless headphones features.
Charging
The earbuds offer extended battery life and convenient charging options.
Battery Life
Up to 6-8 hours of usage on a single charge.
The charging case provides up to 30 additional hours of usage, totaling up to 36 hours of playtime.
Charging the Case and Earbuds
The charging case features a Type-C charging port for stable and secure charging.
An LED display on the charging case shows the charge level of both the case and the individual earbuds.
Charging time for the headset is approximately 1.5 hours.
Image: LED Power Display on the charging case.
Image: Battery life and charging details.
Maintenance
IP7 Waterproof Design
The earbuds are designed with an ultra-light Nano coating, achieving an IP7 waterproof rating. This makes them resistant to dust and rain, suitable for various activities including sports.
Cleaning
To maintain optimal performance, regularly clean the earbuds and charging case with a soft, dry cloth. Ensure no moisture enters the charging port or earbud speakers.
Image: IP7 Waterproofing feature.
Troubleshooting
If you encounter any issues with your Btootos A90 Pro earbuds, please refer to the following common solutions:
No Sound/Connection Issues: Ensure Bluetooth is enabled on your device and the earbuds are charged. Try re-pairing the earbuds by placing them back in the case, closing it, and then reopening to initiate pairing mode.
One Earbud Not Working: Check if both earbuds are charged. Try resetting the connection by placing both earbuds in the case and then taking them out again.
Poor Sound Quality: Ensure the ear tips are the correct size for a snug fit. Clean any debris from the earbud speakers.
Charging Problems: Verify the USB-C cable is properly connected to both the charging case and a power source. Check the LED display for charge indicators.
For further assistance, please contact customer support.
For warranty information and customer support, please refer to the documentation included with your product or visit the official Btootos website. Keep your purchase receipt for any warranty claims.
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.
