Take in the 1.69″ ultra-large, vibrant HD display to see all of your incoming texts and calls in breathtaking, expanded quality. With more than 50 watch faces, changeable watch faces, and widgets, you can express yourself more fully. You can even add your own photos to modify. 50 metres of water resistance depth. Blood oxygen measurement, a heart rate monitor, a multisport tracker, social media, and a pedometer are supported applications. Bluetooth is a connectivity technology. Bluetooth is a wireless comms standard.