F1 smart bracelet with blood oxygen monitor and on-screen notifications

F1 smart bracelet with 1.54 inch TFT color screen and Bluetooth connection, compatible with iPhone (iOS 8.0 and above) and Android (4.2 and above). Functions: • Call and SMS notification (free application download required). • WhatsApp, Facebook, Twitter notifications (app required) with message view. • Anti-loss. • Alarm. Health features: • Heart monitor. • Measurement of blood pressure. • Measurement of oxygen in blood. • Pedometer with step counter. • Distance traveled meter (in meters). • Counter of calories burned. • Sleep monitor (through the app). • Sedentary and hydration alarm (configurable in the application). Chip: MTK8266 Screen: 1.44 inch Bluetooth 4.0 Battery: 230 mAh. Water resistance: IP67 PVC Metal Alloy