NSHK Portable Intelligent Blood Pressure Monitor Wristband ECG And PPG Multi-Function Heart Rate Monitor Waterproof Watch Outdoor Companion,A

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Specification:Weight: 25gMaterial: 361L stainless steel Aluminium, TPUWaterproof: IP67Display size:0.96'OLEDBelt type: RemovableBelt size: 26cmSensor: ECGIC(TI1291), 3 axis sensorBattery: 100mAH Polymer Lithium batteryCharger USB direct chargingCharging Time: 1 hourConnective: Bluetooth 4.0