Why can't the device connect sometimes?

  1. Please check if the phone's Bluetooth is turned on and the network is connected properly.
  2. The distance for Bluetooth connection to the device should be within 10 meters, and if there are obstacles, the connection distance may be even shorter.
  3. Try deleting the added device and then reconnecting.
  4. Please ensure that the device is in a connectable state and has sufficient battery life.