Thank you for viewing! ( ⁎ᵕᴗᵕ⁎ ) This slim device fits comfortably in your hand and is easy to hold without straining your wrist, allowing you to easily take care of your skin anytime, anywhere! It's a C-type rechargeable device, making it easy to use. *Charging adapter is not included. We recommend that you read the included instruction manual before using it for the first time. We recommend watching a video and following along when using it for the first time. When using it for the first time, start at level 1 and gradually increase the level while protecting the application period.