Q: What mobile phones does the watch support to connect to Bluetooth?
A: IOS9.0 or above, Android4.4 or above
Q: How long can the watch last after being fully charged?
A: The watch can be used for about 5 days when fully charged
Q: How long does it take to charge the watch?
A: about 2 hours
Q: What is APP?
A: APP “Da Fit”
CZJW F22S Sport Smart Watches for man woman intelligent smartwatch fitness tracker bracelet blood pressure for android ios
-Model No. F22 Heart Rate smart bracelet
-App OS IOS9.0&above，Android4.4&above
Heart rate monitoring, blood pressure, blood oxygen, step, distance, calories, multiple exercise mode（Running, Golf, baseball, tennis, cycling, swimming, football, basketball）, sleep monitoring, call alert(call number/name), information alert,weather forecast, alarm clock alert, sedentary reminder, raised wrist screen, Remote camera, etc..
-CPU chip HS6620D
-HR sensor HRS3300
-Bracelet support language
Thai, Russian, English, German, Spanish, French, Polish
-APP Supported Language
Simplified Chinese, Traditional Chinese, Danish, Czech, German, Italian, Polish, Thai, Swedish, Finnish, Dutch,Portuguese, English, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Bulgarian, Bokemaerwen,
Norwegian, Hindi, Indian, Italian, Vietnamese