I want to build an react native chat application which use the Bluetooth to communication between two user! both the user have the application and turn on their Bluetooth device and connected with each other to send and receive the message! which library is use so to do this task, I want read about BLE and don't get the idea on how to utilize it!

Try to do it with Bluetooth low energy but unable to do so! what are the other solution which I should be looking for?