A wearable device is one that you can use or put and is above, below or included in the clothes and is always on. Another feature is that it allows to be used without doing anything else. In Spanish are known as smart accessories, but it also tells them wearable, wearable devices or wearable. The most common are smart watches or smartwatches, bracelets of activity and the smart glasses, but there is also intelligent clothing. The meaning of wearable in Spanish is usable.