915 Generation E28 Smart Band Bracelet IP67 Waterproof Bluetooth Tracker(bl

heart rate using optical detection .no need for intervention, no need to operate 24 hours a day can test data.high frequency continuous heart rate monitoring
high-quality sleep monitoring (from the sleep of the heart rate statistics can even infer which time points do not sleep , which time is deep sleep, which is a few nightmares, also help their own Health test!)
Summary: It provides continuous heart rate monitoring compared to normal . It automatically measures heart rate data anytime and anywhere. It can measure data automatically like a pedometer without interference. The statistics of the data are detailed. There are daily and weekly data. As as the monthly data comparison, you can visually display the health level and the corresponding health advice
Master chip: nRF52832
Sensor: -BMA253
Photoelectric Chip: HRS3300DS
Vibration Silence/Vibration
Waterproof level: IP67
Compatible system Android 4.4 and above, iOS 8.2 and above
Features Continuous heart rate, blood pressure
Caring for family sharing real-time data
Offline Measurement Flap Automatic Screen Wearable Hardware + Smart APP + Big Data Cloud Service
Wear it with you, control, display, and record data through the APP. The data is synchronized to the cloud in real time.
Monitor health changes, detect health data, display risk status and assessment results
Step count, calorie, distance, sleep monitoring, sport mode, call reminder, alarm clock reminder, raise screen, social sharing (Wechat, QQ, , Twitter, etc.)
Shake a Display screen size 0.96 inch 160*80
Connection parameters Bluetooth 4.0BLE (low power)
Other parameters Battery type Lithium polymer battery
Battery capacity 95mAh
Charging USB interface
Charging time is about 2H
Life time 7 , standby 15 Data storage 3 months
Control Full touch control, mobile phone APP control
Product language 12 languages ​​such as /English
colour: black
Material: ABS weight 25g
Packing list: 1* bracelet
1* Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.