Turn ON the Remote control mode of K9.
Hold press ‘Multi-function button’ 3 second, Enter into system menu of R9(receiver).
Choose ‘Bluetooth set’ menu , press it.
Turn on/off the Bluetooth. When you turn ON the Bluetooth, The icon of Bluetooth will flicker on the screen.
You can click ‘connect’ button on the APP, It will be automaticlly connected.