Fitbit wearable devices can be used with iPhone and Android-based smartphones.
Fitbit: Fitbit charging 4 (starting price 150 USD)
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Fitbit Charge 4 adopts Bluetooth LE wireless technology, which can automatically and wirelessly synchronize to computers and more than 200 leading iOS, Android and Windows devices. To synchronize, your mobile device must be iPhone 5S and later iPad 5. And later versions, or Android 7.0 and later versions. With the free Fitbit application, you can check your speed, distance, calories burned and minutes of activity, as well as the running history of your sleep information.
Thanks to the integration between Fitbit Charge 4 and your smartphone, you can also receive notifications to keep in touch while traveling. This includes call and calendar reminders, text notifications, etc.
Functions of Fitbit Charging 4
Fitbit Charge 4 is the company's most versatile fitness tracker to date. Available tools include continuous heart rate tracking, automatic motion recognition, real-time pace and distance, target movement, calories burned all day, sleep tracking and so on. It is also equipped with more than 20 sports modes, including running, cycling, swimming, yoga and circuit training. According to your heart rate, there are personalized guided breathing prices, as well as women's health care and health trackers.