Smart watch bracelet M4

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M4 Smart Bracelet

Product parameters:
System Configuration
Battery Battery capacity: 60MAH Standby time: 300 hours
Weight: Net Weight: about 18g TPU strap: length 245MM
Display: OLED 0.42 inch heart rate: high progress Huajing sensor
Blood pressure: simulated blood pressure chip Model: NDF51822
Touch: Arc Screen Touch Sensor: Low Power 3 Axis Acceleration Sensor
Waterproof: IP67 Bluetooth: Bluetooth 4.0 compatible (Andrews and IOS)
Charging interface: magnet suction packaging: cartons, data lines, brochures
Input voltage: 5V 1A Weight: full set of 78g

Function configuration
SMS: mobile phone SMS Bluetooth sync reminder
Time: OLED display 24 pedometer: movement step
Sleep monitoring: monitoring sleep quality sedentary reminder: sedentary time setting
Call to remind: shock (call, SMS, micro letter, QQ, etc.)
Heart rate: Monitor heart rate Blood pressure: Simulated measurements
Blood Oxygen: Blood Oxygen during Exercise Alarm Tip: Set via APP
Movement plan: set by APP