The APIs for bluetooth support are not exposed in Cordova and as far as we're aware, there isn't an officially-supported Cordova plug-in
that provides access to the Bluetooth radios on iOS devices.
Audio and geolocation are both supported and you can check the respective samples we provide:
We're currently working on support for pluginstall-compatible Cordova plug-ins, so if there is a Bluetooth plug-in available till then, you would be able to utilize it.
You can see a list of what is supported in the Cordova API Reference
All the best,
the Telerik team
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