What it is: A travel-friendly, ultra-hygienic, silicone cleansing brush that features app-driven skin analysis. Skin Type: Normal, Dry, Combination, and Oily Skincare Concerns: Fine Lines and Wrinkles, Pores, and Dullness and Uneven Texture What Else You Need to Know: This innovative device measures skin moisture index with 24k gold plated skin sensors to analyze skin diagnostics and reveal your skin’s true age and type. The FOREO app creates and syncs a customized skin profile and cleansing routine. Two AAA batteries lasts up to 400 uses. (Tested & works) Suggested Usage: -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.