Audio/Headphone Jack: Used to plug in your headset or headphones.
Microphone: Built-in microphone used for voice commands.
Power/Lock Button: Press to lock or unlock the touchscreen. Hold down to turn the device on or off.
Touchscreen: Used to navigate your device.
USB/Charging Port: Used to charge your battery and connect your tablet to other devices.
Volume Buttons: Adjusts the volume on your device.