1. Check whether the power switch is turned on and switched to Bluetooth mode

2. Check whether the paired Bluetooth name is correct

3. Check whether the speaker has been connected to other devices, if Bluetooth is occupied, it needs to be disconnected from the old device and reconnected

4. Whether the distance between the mobile phone is too far, the effective reception range of Bluetooth is generally 5-10 meters, and the mobile phone and the speaker should be close to each other without other obstructions

5. Restart the speaker, or try to replace the mobile phone connection