General:
* N-gage: A gaming device released by Nokia.
* Nintendo Switch: A popular hybrid console.
* Nest Thermostat: A smart home device for controlling temperature.
* Netbook: A small, portable laptop.
* Notebook: A laptop computer.
* Nook: An e-reader and tablet device by Barnes & Noble.
Specific Devices:
* Navigation system: A device for guiding drivers.
* Network switch: A device used to connect multiple network devices.
* Night vision goggles: Used for seeing in low-light conditions.
* Noise-canceling headphones: Headphones that block out external noise.
Other:
* Nail polish dryer: A device for drying nail polish quickly.
* Nintendo DS: A handheld gaming console.
* Nano drone: A small, lightweight drone.
* Nebulizer: A device for delivering medication through mist.
This list is not exhaustive, and there may be other gadgets that begin with the letter "N".