Forget cables and connect through air to your musical instrument, suitable for all Yamaha instruments with a USB to Host port. This device can easily be connected and bluetooth name renamed if you have many of these devices, so you know what connection is what.
Just plugin pair with bluetooth then load your app.
Share MIDI data wirelessly to your phone or even your tablet. This device does not allow you to listed to your piano with bluetooth headphones.
Bluetooth audio connectivity to headphones does not work because with the audio transmission there is a delay via bluetooth, the bluetooth technology is just not fast enough to worth with audio syncing.