This wearable device functioning as an electronic coffee for its users boasts two independent modes including fatigue alleviation and dizziness/vomiting prevention, which can be easily altered using a single button. It utilizes monochromatic light stimulation and electric impulses of multiple frequencies to effectively alleviate work-related fatigue and motion sickness, respectively. The slim and light-weight device allows for independent use or combination with smart wearable devices, allowing for seamless integration into the various daily routine or activities of its users.