| General |
| Compatible Devices | Smartphones, Computers |
| Material | Stainless Steel |
| Touch Enabled | Yes |
| Model Number | FB407SBLK |
| Function | Calories Burned, Fat Burn, Cardio, Peak, Multi Sport Modes |
| Ideal For | Unisex |
| Model Name | Charge 2 Large |
| Sales Package | Smart Band, Charging Cable and Wireless Sync Dongle |
| Water Resistant | Yes |
| Suitable For | iPhone 4S and Later, iPad 3 Generation and Later, Android 4.3 and Later, Windows 10 Devices, Mac OS X 10.6 and Above |
| Reading Type | Digital |
| Performance Features |
| Compatible OS | Android & iOS |
| Activity Tracker Present | Yes |
| Sensor Type | Optical Heart Rate Tracker, 3-axis Accelerometer, Altimeter, Vibration Motor |
| Shock Resistant | No |
| Heart Rate Monitor Present | Yes |
| Maximum Operating Altitude | 9144 m |
| Operating Temperature | -10DegreeC to 45DegreeC K |
| Activity Tracking Function | PurePulse Heart Rate: Automatic Heart Rate Tracking, Reach Weight Goals, Optimize Exercise, Track and Health and Fitness, Manage Stress, Resting Heart Rate, Reminders to Move, Set Goals, Record Workouts |
| Dimensions |
| Weight | 23 g |
| Warranty |
| Covered in Warranty | Manufacturing Defects |
| Warranty Summary | 1 Year Warranty |
| Not Covered in Warranty | Physical Damage |
| Additional Features |
| Other Features | Interchangeable Accessory Bands, Guided Breathing Sessions, Green LED Lights Reflect on Skin to Detect Change in Blood Flow, Auto Sleep Tracking, Silent Alarm, Connected GPS, SmartTrack, Cardio Fitness Level - Powered by PurePulse, Call, Text and Calendar Alerts, Customizable Clock Faces, Memory: Saves 7 Days of Detailed Motion Data - Minute by Minute, Saves Daily Totals for Past 30 Days, Stores Heart Rate Data at 1 sec Intervals During Exercise Tracking and at 5 sec Intervals all Other Times, W |
| Supported Apps | Fitbit App |
| Care Instructions | If the Band Gets Wet or Sweat in it, Remove and Completely Dry the Band Before Putting it Back On, Give Wrist a Rest by Taking the Band Off Every Now and Then |
| Connectivity Features |
| Bluetooth Version | 4 |
| Bluetooth Enabled | Yes |
| Other Connectivity Features | Smartphone Notifications and Syncs Automatically to Computers and 200+ iOS, Android, Windows Devices, Syncing Requires Bluetooth LE and Internet Connection |
| Wifi Enabled | Yes |
| Connectivity Range | 6.1 m |
| Display & Battery Features |
| Display Type | OLED |
| Display Resolution | 96 x 32 |
| Battery Type | Lithium-polymer |
| Battery Life | 5 Day |
