Blood Pressure and Blood oxygen data is only for reference(Might not be 100% accurate),not suitable for medical purpose.Heart rate monitor uses the brand new Dynamic algorithm to monitor the Hear trate,which is more accurate and more reliable than other smart bands as most of other smart bands in market are only with static algorithms.
Highly sealed.IP67 Real Waterproof,could support wear when swimming,from FireHot

NOTE:
Dear Customer,we suggest that you fully dry it after taking it out of water for charging protection
and frequently using it or long time in water may influence its working life which is out of our warranty,thanks for your understanding
Functions:
-Blood Pressure & SPO2H checking
-Touch button, easy view the data from screen
-Heart Rate Monitor: Supports real-time monitoring and all day monitoring(1 hour automatic monitor)
-Display time
-Pedomete, Distance measuring, Calories burning measuring, Sleeping monitor, Calories burned
-Call, Meassage reminder : SMS / QQ / Wechat / Twitter / Facebook

Specification:
Size: 200x15x3mm/7.8"*0.6"*0.11"
Display: OLED
Weight: 20g/0.7oz
Waterproof: IP67(Shower or swimming is ok )
Watchband: TPU
Bluetooth: 4.0V
Gravity Sensor: 6D sensor
Battery: Li-battery 80mAn
Charger: 5V
System: Android 4.3 or above versions, IOS 7.0 or above App Name: Wearfit
Heart rate monitor: Green light laser
Working Temperature: -10 degrees Celsius - 45 degrees Celsius
Charge time: 1 hour
Certifications and test reports: CE, ROHS

What's in the box?
1x Smart Watch Bracelet
1x USB charger
1x User Manual