สร้อยข้อมือสมาร์ท H8 Smart Watch Smartband สายรัดข้อมืออัจฉริยะ สมาร์ทวอทช์ สร้อยข้อมือกีฬา นาฬิกาบลูทูธอัจฉริยะ หน้าจอสัมผัส กันน้ำ IP67

Bluetooth: BLE5.3. Screen resolution: 172320. Working voltage: 3.8V. Battery capacity: 220 mAh. Battery type: lithium polymer. Charging time: 2.5h. Product parameters: Waterproof rating IP67. Bluetooth: BLE5.3. Screen resolution: 172320. Working voltage: 3.8V. Battery capacity: 200 mAh. Battery type: lithium polymer. Charging time: 2.5h. Screen size 1.47 inches". Screen type TFT-LCD G+F bonding). The main function: Heart rate monitoring, blood oxygen monitoring, ECG monitoring, body temperature monitoring, stress monitoring, exercise tracking, sleep apnea monitoring, respiratory rate monitoring, HRV. Sleep monitoring, breathing training, blood pressure, body composition analysis, heart health, blood composition analysis. Other functions: Pedometer monitoring, calorie monitoring, distance monitoring, sedentary monitoring, wear detection, factory reset, wear detection, watch function interface configuration, stopwatch, restart, timer, Bluetooth one-click call link, screen on time setti