Rorsche W2S Smart Heart Rate Blood Oxygen Pressure Fatigue band Activity Tracker Monitor Bracelet Wristband HR Pedometer Calorie Counter Smart Watch for IOS Android IP67 (Black)

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Product Description： Appearance material：Front shell, rear shell: plastic hand strap: TPU clasp: alloy platingProduct Size：Wristband range: 155mm-240mmColor:Black,Blue,WhiteControl mode: touch control / gesture displayData Storage: Cloud Server System Requirements:Android system 4.4 version or above ;iOS system 7.1 version or above ;Support bluetooth with 4.0 versionSensor:G-sensor 3DH Chipset:Nordic NRF51822Heart rate sensor:Green dynamic sensor Screen:0.66 inch OLEDType of battery: Lithium polymer batteryBattery : 90mAh Charging time :1-1.5h Working time :6-10days Motor: Low power motor Waterproof level :IP67 N/W:28gPackage Content: 1 xSmartwatch 1 xCharging clip 1 x User Manual Our products have been well tested, examined and packaged before sending off, but we cannot 100% guarantee the items remain undamaged when delivered to you. Any problem please feel free to contact us first so that we can supply the best service for you.