Waterproof NFC Smart Bracelet Sleep Detection Heart Rate Blood Pressure Blood Oxygen Sports Pedometer Watch

Waterproof NFC Smart Bracelet Sleep Detection Heart Rate Blood Pressure Blood Oxygen Sports Pedometer Watch Product details 1.3 inch HD color screen comes with a 1.3-inch bright color screen that provides incredible color depth and exceptional. The accelerometer and heart rate sensor, which are the core technology of the watch, feature low power consumption and high accuracy. It takes 1.5 hours to fully charge and can last up to 7 days on a single charge. IP67 waterproof withstands splashes or brief immersion in the water, which enables you to walk, run or dance in the rain with no worry. The upgraded optical heart rate sensor uses an upgraded sensor for accurate heart rate monitoring, which allows you to see your heart rate changes throughout the day. A fitness records your full-day steps, activity distance and calorie consumption in real-time scientifically detects your exercise status and helps you adjust your exercise intensity. Sleep monitor supports auto sleep tracking, sleep stages analysis, sleep schedule, sleep insights and alarm clock. Real-time notification crystal 3 will remind you of the incoming calls, and you can reject the phone call with one tap. Ensures you never miss a message. Lightweight & comfortable 27g in weight, provides you with a comfortable experience when recording the physical data and conditions during exercise. Built-in usb charging no charging cable and dock needed. Pull bands off the and insert the built-in USB plug into a usb charger for charging. Various watch faces for you are different from most of the existing smartwatches on the market, the watch face of crystal 3 can be changed and customized as you like. Compatible system android 4.4 and above, ios 8.0 and above. Case size 40.5 x 35.5 x 12 mm/1.59 x 1.40 x 0.47". Net weight: 27g. Case material: ABS, PC. Band material: TPH. Screen: 1.3 inch IPS color display screen. Resolution: 240 x 240  Bluetooth version: bluetooth 4.0. Sensor heart-rate sensor, proximity sensor, accelerometer. Waterproof level: IP67 waterproof. Type of battery: lithium polymer battery. Battery capacity: 200mAh. Standby time is about 7 days. Charging time is about 1.5 hours. Package Included:1PC smart bracelet

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Material: Rubber