OLED - monochrome Resolution 128 x 64 pixels Diagonalmaße 0.96 " Distance, calories burned, activity, sleep cycle, heart rate, counts steps Black, blue Notification missed calls, SMS notification, notification via e-mail notifications to mobile, social notifications and app notifications WhatsApp, Facebook notifications, Twitter notifications, notifying incoming calls, alarm Protection Waterproof Standard Compliance IP67 wireless Interface Bluetooth 4.0