Btootos A90 Pro Wireless Bluetooth Earbuds User Manual


Btootos A90 Pro Wireless Bluetooth Earbuds User Manual



Package Contents


Product Specification

  • Bluetooth Version: 5.3
  • Support: HFP/A2DP/HSP/AVRCP
  • Charging Port: Type-C
  • Battery life:6-8 hours (earbuds) + over 30 hours (Charging box
  • Charging time:1.5 hours for earbuds /1.5 hours for charging case
  • Transmission range:15 meters (without obstacles)



How do I pair two headphones with my phone?

  • Please make sure both the earbuds and the charging case are fully charged before first use.
  • Step 1
    Take both earbuds out of the charging case and both earbuds will power on and start pairing automatically (If the earbuds are not connected to your device for more than 5 minutes,the earbuds will automatically turn off. Press the MFB button for about 3 seconds to manually turn on the earbuds when prompted “Power on”.) The indicator light of one earbud will flash white alternately, and the other earbud will slowly flash white when 2 earbuds paired successfully
  • Step 2
    Enable the Bluetooth pairing mode on your phone device, search and select “A90 Pro” to connect. (You should hear a voice prompt “Connected” when wearing earbuds).
  • If indicator light of earbud is off,it means the phone is connected


  • Automatic connection
  • By default, the earbuds will connect the last paired phone automatically when power on.
  • Prompt
  • If you have any problem pairing the two earbuds with your phone, put the earbuds back in the charging case and repeat the above steps. Or refer to the reset steps of Frequently Asked Questions in the manual.
  • These earbuds can be used not only together, but also individually
  • If you want to use single earbud, just take one earbud out of the case and connect it to your phone. or when using two earbuds, manually turn off one earbud or put one back in the charging case and you’ll be able to use the other one earbud alone.


Telephone Communication

  • Answer call: tap once
  • Hang up: press and hold the key for 2s
  • Refuse incoming call:  press and hold the key for 2s

For Music

  • Play/pause tap twice
  • Previous track press and hold “L” for 2s
  • Next track press and hold “R” for 2s
  • Activate Siri quickly tap for three times
  • Turn down volume single tap on left earbud
  • Turn up volume single tap on right earbud


  • Earbuds Charging
  • The earbuds will only be charged when you correctly place them in the charging slots and close the lid.(You can charge the charging case and the earbuds at the same time, or you can charge the charging case first and then the earbuds.
  • When the earbuds are charging in the charging case, the LED bar of the case will keep blink. The charging case will stop charging automatically and the indicator light on earbuds will go out when fully charged.
  • Case Charging
  • There is a Type-C usb charging cable in the package, please use it to charge the case directly. During charging, the digital display will flash and display the battery level in real time. When fully charged, the number shows 100.


Charging Alerts

  • After using it for a long period of time, due to the oxidation of the magnet connector, the earbuds might not be charged or even turned on.
  • You can fix this problem by cleaning the magnet connectors on the earbuds and charging case with an alcohol wipe

Storage and Maintenance of Btootos A90 Pro Wireless Bluetooth Earbuds

  • If the earbuds have not been used for more than 3 months, we recommend that you charge it.
  • Please use an charger approved by FCC (Federal Communications Commission).
  • Children aged 12 and under require adult supervision.
  • Do not expose the earbuds to high or low temperatures, and do not use the earbuds during a thunderstorm.
  • Avoid free fall or violent shock to the device. Keep the device away from sources of fire and do not place the device in water.


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