8 Barnes & Noble NOOK Tablet User GuideYour NOOK is small enough to hold easily with one hand and to slip into a bag or a purse.The front of the NOOK Tablet.Power ButtonOn the left side of your NOOK is the power button. Press and hold the button for 2 seconds to turn on yourNOOK. To learn more about power management for your NOOK, see “Power and Charging”.Headphone JackAlong the top edge of your NOOK, you’ll find a 3.5 mm audio jack—a standard size jack for headphone and earbuds.MicrophoneYou’ll also find a built-in microphone set into the top edge of your NOOK.
