Electro-Sonic DF Mobile Device is a handheld device that combines two sophisticated technologies, low-frequency sonophoresis (sound waves) and pulsed iontophoresis (electric current) designed to be used with specific Environ products to help deliver more essential nutrients to where the skin needs them most, making a lasting difference to the appearance of your skin. Electro-Sonic DF Mobile Device helps clients find the perfect balance between professional treatments done in practice and optimizing what can be done at home. This combination of professional treatments complemented with at-home treatments is an affordable and convenient option, resulting in an improved appearance of skin health and wellness. Please note: The DF mobile is safe and gentle enough to be used every day as part of a comprehensive, advanced skincare regime. Please remove all jewelry before using this device. for more details: https://skinhealthcanada.com/product/electro-sonic-df-mobile-device/