Wearable is the gadget that can be worn down. This gadget usually has smart sensors which are connected to the internet/ network for data exchange. In 2000, the first Bluetooth wearable device was sold and in 2017 first Fitbit watch was launched. The famous Google glass launched in 2013,
Wearable devices, wearable technology, wearable gadgets or wearables are names for one and the same notion. These are names for a small computer or advanced electronic device that is worn or carried on the body.