WEARABLE DEVICE FOR PROVIDING LIGHTING FUNCTION AND OPERATING METHOD THEREOF

A wearable walking assist and/or exercise device may detect a start of exercise of the user, select LED lamps to be blinked from the plurality of LED lamps included in the lighting module based on an exercise intensity of the wearable device, determine a blinking period of the selected LED lamps based on a walking speed of the user, and blink the selected LED lamps for the determined blinking period.