C9 0.71 inch HD OLED Screen Display Bluetooth Smart Bracelet IP67 Waterproof Support Pedometer / Blood Pressure Monitor / Heart Rate Monitor / Blood Oxygen Monitor Compatible with Android and iOS Phones (Black)

1. Screen: 0.71 inch HD OLED screen display. 2. Support Pedometer / Blood Pressure Monitor / Heart Rate Monitor / Blood Oxygen Monitor. 3. Support Pedometer (step distance calories). 4. Support APP notification reminder call reminder alarm reminder sedentary reminder. 5. Ultra-light design easy and convenient to carry. 6. High good taste fashion and simple. 7. Built-in 140mAh battery. 8. IP67 waterproof and dustproof. 9. Compatible with Android and iOS Phones. 10. Professional statical and dynamical heart rate monitor. 11. Bluetooth version: 4.0BLE above(low power consumption). 12. Sleep detection (record your sleep time and sleep quality). 13. Skin-friendly bracelet strap comfortable to wear.