Can I use Here One to make and receive phone calls?

Yes. Here One includes multiple built-in microphones, and you will be able to make and receive phone calls when Here One is connected to your smartphone.

When making a phone call, you’ll be able to choose the volume of ambient real-world sound you hear using the Here One app to tune it to your own preference. Moreover, the Touch Controls allow you to answer calls hands-free, simply by tapping your left or right Here Bud.