D13 Smart Watch Fitness Bracelet Blood Pressure Bluetooth

Specifications

✅ Bluetooth Version: BLE 4.0
✅ Chip: NRF52832
✅ Screen:1.3 Inch IPS Color
✅ Battery: 100mAh
✅ Stand-By Time: About 15 Days
✅ Working Time: About 7 Days
✅ Waterproof Level: IP67
✅ Support For Bluetooth 4.0
✅ Sensor: Sensor/Green Light, Active Heart Rate Sensor
✅ Requirements: Android4.4 And Above, IOS 8.0