“Connecting the piano to a mobile device” Roland GP-3 #02
You can wirelessly connect the piano with a mobile device such as your smartphone or tablet via Bluetooth.
https://www.roland.com/global/product...
Please turn on the subtitles feature ([CC] button) and watch the video.
00:14 Playing music through the piano's speakers
01:05 Using the piano with an app
01:58 If you're having trouble connecting via Bluetooth