S28 3ATM Waterproof Multi-Sports Mode Fitness Tracker Smartwatch Brown

OverviewThis Multi-functional smart watch is designed for outdoor sports and has a range of features, including step counting, information reminder, health monitoring, weather disply and more. Add compass function,this smartwatch will bring a better experience to your fitness journey.
Features:
3ATM waterproof adapts to your daily needs(don't put it into hot water).
120mAh large capacity polymer battery, daily use time up to 20 days.
Dynamic heart rate real-time monitoring to protect your health.
Call and Information reminder stop you from worrying about missing information.
Sleeping monitor let you know your sleep duration and quality, remind you to keep scientific sleep.
Intelligent record health information, calculating walking distance and calories burning, guides you to better achieve your health and fitness goals.
Data reports of current weather, help you timely know the outdoour environment.
Parameters: 
Chipse: nRF51802
Display: FSTN
APP：Comfit
Light: EL Cold light panel
Shock: Motor
Heart Rate Sensor: EM7028
3D Sensor: KXTJ3-1057
Compass:IST8304
BT Version: BT 4.0
BT Distance: 10m (Open space)
Compatible OS: Android,IOS
Compatability: Android 4.3 / iOS 8.2 and above
Type of Battery: Polymer Battery
Battery Capacity: 120mAh
Water-resistant Level: 3ATM
Operating Voltage: 3.0 V (Reminder on 2.6V)
BT Current: 0.1mA
Step Counting Current: 0.05mA
Luminous Current: <10mA
Luminous Brightness: 8.0 LM
Motor Vibration Current: 30-40mAh
RF Band: 2402- 2480 MHz
Data Storage: 7 days on watch，Long- term on APP.
Standby Current: 13 uA (All function turned off)
Standby Time: 25days
Main Function:
Heart rate monitoring, professional compass, step count, distance monitoring, call reminder, message reminder, stopwatch, weather display, alarm clock, remote camera, sleep monitoring, etc.
APP Language:
Chinese, traditional Chinese, Russian, Portuguese, English, Spanish, German, Italian, Japanese,French, polish, Turkish
Specifications:
Brand: SENBONO
Model: S28
Color: Black, Blue, Red(Optional)
Watch Case: Zinc Alloy
Watch Band: TPU
Mirror Material: Mineral Glass
Case Diameter: 5.1cm / 2.01in
Case Thickness: 1.5cm / 0.59in
Band Width: 2.3cm / 0.91in
Band Length: 26cm / 10.24in
Watch Weight: 77g / 2.72oz
Package Weight: 153g / 5.40oz
Package Size: 9.6 * 7.5 * 6.4cm / 3.78 * 2.95 * 2.52in
Package List:
1 * Watch
1 * Charging Line
1 * User Manual( Chinese, English, Japanese)