Step 1 Make sure your Saturn Pro is off. Then switch TX/RX button to RX.
TX or RX mode can not be changed after powering on Saturn Pro.
Step 2. Get Saturn Pro(RX mode) into pairing mode.
Press and hold the MFB for around 6-8 seconds until Blue and Red LED light blinks alternatively.
Step 3. Activate Bluetooth on your phone, search for “Avantree Saturn Pro”, click on your phone to connect
Step 4. Connect Saturn Pro to the audio input of home hifi stereo system via the audio cable.
Now you can enjoy music from your hifi stereo wirelessly.
If you want to see the more details, please watch video user guide for Saturn Pro-