D13 Smart Bracelet Fitness Tracker Smartwatch

Specifications

✅ Bluetooth Version: BLE 4.0
✅ Chip: NRF52832
✅ Screen:1.3 Inch IPS Color
✅ Battery:100 MAh
✅ Stand-By Time: About 15 Days
✅ Working Time: About 7 Days
✅ Waterproof Level: IP67
✅ Pedometer Calorie Distance
✅ Heart Rate Measurement
✅ Blood Oxygen Measurement
✅ Sleep Monitor
✅ Function: Fitness Tracker, Sleep Tracker