The downside of its small size and subtle integration in the device makes the physical power button on the top difficult to operate: you will need to push it hard with the tip of your nail. (ubergizmo.com)
That was much needed, especially since the physical power button is a hassle and a half to push. (pocketberry.com)
A physical power button is found on the upper left side of the unit, while volume buttons are located on the upper right. (techradar.com)