If your smartwatch has a speaker, you can easily change the volume and adjust the sound to make it louder.  You simply need to follow these steps to adjust the volume:  1. Wake up your watch screen by tapping on it.  2. Swipe down from the top of the screen.  3. Now, tap Settings and scroll down to Sound or Sound and Notifications.  4. Choose the option you want to change: Media Volume, Alarm Volume or Ring Volume.  5. Simply drag the slider up or down to increase or decrease the volume.