The Charge 2 houses an OLED display that lets you see your progress in real-time throughout the day. In addition to fitness tracking and heart rate data, the Charge 2 can receive smart notifications from your smartphone, so you can stay connected to the outside world even when you're working out.
You can sync all your Charge 2 stats wirelessly to compatible mobile devices and computers. Simply download the Fitbit app to sync with a smartphone, which is available for iOS, Android, and select Windows devices. The Charge 2's built-in rechargeable battery lasts up to 5 days before needing to recharge. A charging cable is included.
|Bluetooth Specification||Bluetooth 4.0|
|Bluetooth Range||20.0' (6.1 m)|
|Water Resistance||Sweat, rain, and splash proof|
|Memory|| Tracks 7 days of motion data |
Saves daily totals for past 30 days
Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times
|Materials|| Wristband: flexible, durable elastomer material |
Clasp: surgical-grade stainless steel
|Battery Type||Lithium-ion polymer (LiPo)|
|Battery Life||Up to 5 days|
|Charge Time||Up to 2 hours|
|Sync Compatability|| Syncs with Mac OS X 10.6 and up, iPhone 4S and later, iPad 3rd generation and later, Android 4.3 and later, and Windows 10 devices |
Syncing requires Bluetooth LE and Internet connection. Windows 10 computers that do not have Bluetooth LE will need a wireless sync dongle in order to sync.
|Operating Temperature||14 to 113°F (-10 to 45°C)|
|Maximum Operating Altitude||30,000' (9,144 m)|
|Size||Fits wrists 5.5 - 6.7" (14 - 17 cm) in circumference|