Yes. You can pair a Shimano Di2 with your Karoo.
Users can see the radar connected in-ride view, will be made aware of the threat level of approaching traffic while riding, and be able to mute/unmute the radar indicator in-ride to have control over whether or not to see on-screen visuals for cars approaching (i.e. on busy city streets) while still maintaining connection to the radar.
Click here to check out the complete Feature Integration.