PROBLEM TO BE SOLVED: To provide a wearable device capable of notifying a user of necessary information without restriction on eyes, ears, and hands of the user.SOLUTION: A wearable device 1 includes a stimulus generation section 12 for generating tactile stimulus to an organism 6 in response to an input signal and a signal generation section 11 for generating a driving signal on the basis of input information provided from outside to input the same into the stimulus generation section.SELECTED DRAWING: Figure 2