What it is the luna fofo is an app-driven facial cleansing brush and skin analysis device. Fall in love with your skin with your new smart beauty coach! luna fofo knows exactly what your skin needs at all times, so you can get the most out of every cleanse. Using advanced skin sensors and bluetooth technology, luna fofo analyzes the skin condition and moisture level in each zone of the face to create a personalized skin profile that is sent straight to the foreo app. Imported. What it does the luna fofo analyzes skin diagnostics using real-time data, and measures skin moisture index with dual sensors to reveal your true skin age and type. The foreo app creates and syncs a customized cleansing solution just for you! how to use it open the foreo app on your mobile device and turn on your bluetooth. Turn on luna fofo by holding the center button until the light starts blinking, indicating the bluetooth is connected and your device is ready to begin the skin analysis. Press and hold the skin sensors to the face areas according to the instructions in the app. The foreo app will analyze your skin's moisture index and skin age and then sync a customized cleansing routine to your device. What else do you need to know thicker touch points provide a deep precision cleaning of areas such as t-zone thinner touch points gently cleanse and massages sensitive or normal skin and larger areas like cheeks extra soft &hygienic silicone35x more hygienic than nylon bristles and suitable for all skin types 24k gold plated skin sensors measure one,zero units per second to assess hydration levels in each face zone two replaceable aaa batteries lasts for up to 400 uses. <ul><li>Silicone</li><li>Imported</li><li>2.75"x2.5"</li></ul>