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Features:
- Bluetooth 4.0 chip, low consumption, and fast-paced
- IP67 waterproof, not afraid of rainy days or any outdoor activities
- 1.5 inch round glass screen, show you high-resolution images
- Automatic calibration time switch time zone freely
- Pedometer, built-in motion sensor, record every step of lifeboat
- The function of VIP call reminder applies to iOS 9, MIUI 9, and above