Asus TX201LA E-Manual page 77

.
or
ASUS Transformer Book Trio E-Manual
Select a device from the list. Compare the passcode
on your ASUS Transformer Book Trio with the
passcode sent to your chosen device. If they are the
same, tap/click Yes to successfully pair your ASUS
Transformer Book Trio with the device.
NOTE: For some bluetooth-enabled devices, you may
be prompted to key in the passcode of your ASUS
Transformer Book Trio.