Fitness Tracker Watch,F1 Smart Bracelet Bluetooth 4.0 Heart Rate Monitor IP67 Waterproof Sleep Tracker with OLED Touchscreen Calorie Counter Blood Pressure Monitor for iOS and Android Free Size

• Simple operation: Flip your wrist and the screen will be bright. Shake your arm and you can take photos, so that the self-portraits more conveniently. Set this function manually by APP.
• New design:Durable TPU material, brings a comfortable experience when you exercise sweat, sleep , OLED display screen with touch button control, waterproof and dustproof design under the degree of IP67,The fine craft make the band easy to take on & off by Stainless Steel Metal Buckle.
• Wear tightly. The bracelet green light emitting position close to the skin, the distance between the two is not greater than 5mm. Sit motionless. Intense exercise can cause rapid changes in heart rate, leading to a lack of heart rate. Horizontal placement. Sit and place your hands on the table, your hands should be elevated above your heart, and your blood flow pressure is similar to your heart. It's more reliable to measure your heart rate.
• After sales service:Please feel free to contact us if you meet any question, We will try our best to solve your problem. As a seller, our goal is to provide every customer excellent purchasing experience and we provide you one-year warranty.Call/message reminder: Open the "call reminder" and "message reminder" the bracelet will vibrate when the phone rang or receive text messages. (Message, Facebook, Twitter, SKYPE,MSN)
• Daily status Monitor: the device will automatically measures the present blood oxygen, blood pressure, heart rate, calories, steps in the sharp hour. You can also manually measure the data by APP, when the bracelet switched to the specific mode, the device will automatically start measuring. If you do not want to measure, please continue switching. The Heart rate, BP, SpO2 can be measured by manually or automatically through bracelet or APP. We have to waiting for 60 seconds of measurement time.Our company has upgraded the app version in November 8, 2017, which fixes some known errors and makes it easier for customers to use. We suggest customer scan the QR code in the manual to download APP.

Functions:
Call reminder, SMS reminder, time synchronization（Need to download the App and connect the watch Phone Bluetooth) hand-lift screen, alarm clock, sleep
monitor, heart rate monitor, blood pressure monitor, pedometer, sedentary reminder. It is a nice sport watch for men and women and fashion gift for kids. This
product is measurements are just for reference only ,and not for any medical purpose basis.
we are pleasure to provide you with a healthy lifestyle.
Start using
Please determine the phone meet the above requirement and download the APP for connection. please search "Wearfit" in APP store and market or scan the
below QR code to download on the user menu.Once the device connected to the app successfully, it will sync the time .It will record and analyze your activity, 
heart rate, blood pressure and sleep quality.
Bracelet operation:
click the button, in the following order switch interface time mode--Pedometer mode--Calories mode--Heart rate mode--Blood oxygen mode--Blood pressure
mode--Sleep mode.
Package Contents:bracelet, User Manual, Charging Cable.
Battery Bracelet size:50mm*24mm*11.6mm
Wrist strap size:235mm*24mm*11.6mm
Bluetooth version:Bluetooth 4.0
Battery type: Polymer lithium
Charging duration:1-1.5h
Battery Capacity:80mAH
Screen size:0.66inch
Material: PC+TPU
Waterproof:IP67