Use with a smartphone running Android 8.0 or higher & RAM 1.5GB above. Supported smartphones and available features vary depending on your region, operator and device Device activation is only available after connecting to a smartphone that supports Google Mobile Services(GMS) Please refer to your smartphone manufacturer to find out whether your smartphone supports Google Mobile Services(GMS) Available memory capacity is subiect to preloaded software The actual device, including its color, may vary slightly from the printed images Samsung Health Monitor App (8loed Pressure/ECG) only works on watches and smartphones purchased in the " countries where Blood Pressure/ECG is currently available. Please note: it does not include charger