Yes, you can use the A90 Pro earbuds individually by taking one earbud out of the case and connecting it to your phone. 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).

First, keep the earbuds no more than 15m away from your phone (no obstacles). If the distance is less than 15m, follow these steps: The earbuds will only be charged when you correctly place them in the charging slots and close the lid.Why are the earbuds still won’t be charged or disconnected from the phone after I put them in the case and close the lid?

Do not expose the earbuds to high or low temperatures, and do not use the earbuds during a thunderstorm. The battery life of the A90 Pro earbuds is 6-8 hours, and the charging case provides over 30 hours of battery life. 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 blinking. The charging case will stop charging automatically and the indicator light on earbuds will go out when fully charged. You can fix this problem by cleaning the magnet connectors on the earbuds and charging case with an alcohol wipe.

If the charging case is in a low battery state, the earbuds will neither be charged nor disconnected. In this case, please use a type-c charging cable to fully charge the case. 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 to “Power on”.) The indicator light of one earbud will flash white alternately, and the other earbud will slowly flash white when 2 earbuds are paired successfully The A90 Pro earbuds are sweatproof and slightly waterproof, but we do not recommend submerging them in water.