Only used once. Can be connected to the app to run you through real time tutorials while you use it. Comes with charging cord, bag, serum, and bear. Foreo description: BEAR™ is the world's first FDA-cleared medical microcurrent device with Anti-Shock System™. It's also the most effective microcurrent facial device available - clinically proven. It visibly improves signs of aging by gently energizing & firming the 69 muscles in your face & neck. Experience clinical results in 2 mins a day.