Can I use Bluetooth headphones with my CZ Smart Gen 2 watch? Yes! To access from the watch face, swipe down from the top of the screen and go to Settings. Tap Connectivity to access Bluetooth settings and then select the headphones from the list. Related articles Is there a microphone and/or speaker on my smartwatch? How do I set my watch? B620 Manual Why didn't my watch come with a manual? Is my gen2 Hybrid smartwatch compatible in other countries?