Yup, that’s possible, though it’s not super convenient. Like when i’m working out while using the workout app on the apple watch, i have to switch to the now playing app to adjust the volume and that’s pretty inconvenient to do, especially if your hands are already sweaty. In addition there are times when i don’t wear my apple watch, adjusting the volume is not as convenient when you have to reach for your phone. The airpods could’ve been perfect if they added swipe gestures for volume control and whatnot. But don’t get me wrong it’s just a minor flaw for me, and overall i’m still happy with my purchase. It’s the most comfortable earphones i’ve used (more comfortable than the earpods, the jaybird x2, the bose QC35), and the sound quality is good enough for me.