MU3 heart rate Bluetooth smart watch can track heart rate，sleep quality and activity. It gave up traditional chest strap and electrode solution，and takes advanced photo electrical sensor with high precision.

Feature and function:
1. Track heart rate
Watch can track real-time static and dynamic heart rate.Watch can track whole night heart rate.By Bluetooth， user can synchronize data to APP and check heart rate curve.


2. Tracking sleep quality
The watch can track your sleep quality: What time you fall asleep， deep sleep hours， light sleep hours; When you wake up， restless situation etc.. The watch also give an evaluation score of sleep. After a period of sleep tracking and analysis， you will know your sleep trend and improve your sleep quality.


3. Tracking activity
The watch can track your activity: Steps taken， distance traveled， calories burned， average speed and pace etc.. You can also set up an activity goal. When you are taking activity， you can check how many
percentage of goal you finish at any time. It will be funny for you to go on activity.


4. Backlight
The backlight is convenient for user to use watch in the dark. Click to turn on backlight， if no more operation， the backlight will automatic ally be off in 15 seconds.

5. Time and date display
Watch can be used as a fashion electronics watch， display o'clock and date.


6. Personal information
User can set personal information in mobile and synchronize them to the watch. If no this operation， the watch will use system's default.


7. Food and losing weight plan
You can input some day’s food eaten into APP. The System will automatically calculate intake calories of food. The intake calories will be used to comp are to your activity’s calories burned. If intake calorie is more than calorie burned， your body weight will increase. If your calorie burned is more than intake calorie， your body weight will lose. You can check results in Activity page each day.


8. Built-in memory
Store 3 days data in the watch

9. Battery
Use normally for 7 - 8 days (including tracking activity and sleep); Heart rate tracking can last continuously for 15 hours.

APP necessary: 1. Bluetooth 4.0; 2. iOS iPhone 4S and Android 4.3 or above
APP download and installation: 1. iOS APP fitnesswatch can be downloaded from Apple store free of charge; 2. Android APP can b e download from Google play free of charge.

Specifications
Hardware
Bluetooth version: Bluetooth 4.0
Waterproof: YES
Screen
Screen: LCD
Battery
Battery type: Lithium polymer battery
Battery capacity: 130mAh
General
People: Unisex watch
Special Features
Functions: Calorie burns measurement， Distance measurement， Heart rate measurement， Sleep monitoring
Dial and Band
Shape of the dial: Rectangle
Case material: PVC
Band material: TPU
Features
Language: English
Available color: Black， Blue， Green
Weight and Size
The dial thickness: 1.3 cm / 0.51 inches
The dial diameter: 3.6 cm / 1.41 inches
Product size (L x W x H) : 20 x 3.6 x 1.3 cm / 7.86 x 1.41 x 0.51 inches
Package size (L x W x H): 14 x 10 x 6.5 cm / 5.50 x 3.93 x 2.55 inches
Product weight: 0.050 kg
Package weight: 0.155 kg
Package contents
Package contents: 1 x MU3 Heart rate Smart Watch，1 x Chinese and English Munual