The Montblanc Summit 2+ smartwatch is a cellular luxury smartwatch based on Wear OS by Google. Its hardware enables our clients not only to enjoy increased display size and additional apps such as the Montblanc Stress Management app, but it also offers the option to connect to our connectivity partners' LTE networks*. This timepiece is packed with contemporary technological features and acts as flagship of the Montblanc Summit range. *Available with Android phones (Android 8 or higher) with selected carriers in the USA (Verizon), China (China Unicom), France (Orange), Spain (Orange), UK (Vodafone), Germany (Vodafone, O₂) and Switzerland (Swisscom). Please refer to your carrier to know if your specific cell contract enables you to set up an eSim for Summit 2+. Wear OS by Google is compatible with smartphones with Android 6.0 or higher (except Go edition) and iOS 10 or higher. Supported features may vary by platform and country.