Please check out our website www.d-parts.de/en/faq for frequently asked questions. FontaFit Pro is an easy-to-use companion app for the following Smart Watches: 500CH Teso 480CH Talis 460CH Tila 345CH Cono 340CH Teno 140CH The app offers basic functions that record and evaluate your daily activities. Functions: • The Today view gives you a quick overview of your sporting activities, such as steps, distance, calories, daily goal, as well as sleep, heart rate, blood pressure and blood oxygen.