FQA 1.Why can't download the watch app on Android phone ? The watch APP for Android is called: Sports +Samsung can not support this watch 2. How to turn off or turn on Bluetooth on the watch Please pre and hold the button on the upper left corner of the watch for about 3-4 seconds, the watchs Bluetooth will be turned on or off Function 1. Date (month+day) week, hour, minute, second2. 12/24 hour setting3. 24-hour accurate 3D step counting/calorie consumption/distance4. Heart rate static/Dynamic test/Heart rate monitoring5. Sleep monitoring6. Alarm Clock7. Running seconds timing: max 23:59:598. Back-light function9. Bluetooth10. Exercise data storage function11. Smart sync phone time, data and alarm setting, eliminating tedious manual operations12. Incoming call, sms, we-chat, Twitter, Facebook, whats-app,Skype reminder13. Remotely take pictures with mobile phone camera14. APP supports 12 languages: Chinese, English, Italian, French, German, Ruian, Spanish, Portuguese, Arabic Function Pedometer/Heart rate/Bluetooth/Waterproof/Distance/Meage/Alarm clock/Calories/Stopwatch/Phone reminder/Take pictures/Power Sport mode PedometerDistance: Record movement distantHeart rate: Measure Heart RateCalories: Record Calories Consumption Time Function Time: Display Time AccuratelyStopwatch: Record Exercise TimeAlarm clock: Set Alarms Freely Info reminder Meage reminder: Instant SMS ReminderIncoming call: Never Mi Important CallsBluetooth: Connect to mobile phone via Bluetooth Waterproof 50 meters water resistancecan not touch hot water and take a shower Main Function Step countHeart rateAlarm clockCaloriesBluetooth Download app Download apps in major application markets unlock rich features. Product Parameter Silicone strapMineral Gla--Hard and wear-resistant, bright and clearFSTN ScreenMetal--Full metal housingHeart Rate