2-Tone Bluetooth Digital Watch with Heart Rate and Activity Tracker – Smart Watch with Advanced Features. Unisex Digital Watches• About Screen: 0.49’’ OLED touch screen for smooth and easy touch• Connectivity: digital watch is designed with Bluetooth 4.0 connectivity.• Highly Advanced: monitors sleep quality and heart rate to keep a check on your health• Waterproof: smart watch is water resistant and can be worn while swimming• Digital Watch: features functions like pedometer, calorie consumption, and heart rate monitorBluetooth smart watch is designed with a heart rate reader and activity checker. The digital smartwatch encourages people to keep a check on their health. The active smartwatch features 0.49’’ OLED touch screen with Bluetooth connectivity. Pedometer and calorie consumption are some of the highly advanced features of the digital watch. This advanced watch is water resistant and also monitors sleep quality.