In the menu, click "Send via Bluetooth (1 file)", the following interface will pop up to let you choose where
to send the file a Bluetooth device, the interface lists all Bluetooth devices to search, including matching or
paired, the paired right of the icon is a blue tick will state, as shown in A760 BT device:
Click on the screen of your mobile devices, Please Wait will pop up the following dialog box, do not ignore
it, and click "OK" immediately after: