Hey there CPP30,
Thanks for reaching out to Apple Support Communities. We're happy to provide some assistance.
This actions in this article can help with the issue you're describing:
If you can't connect a Bluetooth accessory to your iPhone, iPad, or iPod touch - Apple Support
If the issue persists, are you able to connect other bluetooth accessories to your iPad? If so, you may want to contacting the manufacturer to see if there is a firmware update or compatibility issue.
We hope this helps.
Have a great day!