Smartglasses or smart glasses are eye or head-worn wearable computers that offer useful capabilities to the user. Many smartglasses include displays that add information alongside or to what the wearer sees. Alternatively, smartglasses are sometimes defined as glasses that are able to change their optical properties, such as smart sunglasses that are programmed to change tint by electronic means. Alternatively, smartglasses are sometimes defined as glasses that include headphone functionality.
Using the touch pad built on the side of the 2013 Google Glass to communicate with the user's phone using Bluetooth.
Man wearing a 1998 EyeTap, Digital Eye Glass.
Baby Eve with Georgia for the Breastfeeding Support Project
A wearable computer, also known as a body-borne computer, is a computing device worn on the body. The definition of 'wearable computer' may be narrow or broad, extending to smartphones or even ordinary wristwatches.
Smartwatches are an example of a wearable computer.
Smartphones and smartwatches
Evolution of Steve Mann's WearComp wearable computer from backpack based systems of the 1980s to his current covert systems
Timex Datalink USB Dress edition with Invasion video game. The watch crown (icontrol) can be used to move the defender left to right and the fire control is the Start/Split button on the lower side of the face of the watch at 6 o' clock.