PurePulse Heart Rate - get continuous, automatic, wrist-based heart rate and simplified heart rate zone
Workouts + All-Day Activity - track workouts, heart rate, distance, calories burned, floors climbed, active minutes and steps
Caller ID + Watch - see daily stats and time of day, and get call notifications with compatible devices
Exercise Mode - record workouts to get real-time stats and see post-workout summaries
Smart Track - automatically recognizes when you exercise and records it in Fitbit app
Auto Sleep + Alarms - Monitor your sleep automatically and set a silent alarm
Long Battery Life - lasts longer than competing trackers with a battery life up to five days
Syncing:
Syncing range: 20 feet
Call notifications via Bluetooth 4.0
Syncing to mobile devices requires Bluetooth and Internet connection
Materials:
Charge HRs wristband is made of a flexible, durable elastomer material similar to that used in many sports watches. Charge HR also has a surgical-grade stainless steel buckle
Sensors & Components:
Optical heart rate monitor
3-axis accelerometer
Altimeter
Vibration motor
Memory:
Tracks 7 days of detailed motion data – minute by minute
Tracks 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
Battery and Power:
Battery life: lasts up to 5 days
Battery type: Lithium-polymer
Charge time: One to two hours
Radio transceiver: Bluetooth 4.0
Unit Dimensions:
Size: Large fits wrists: 6.2 - 7.6
Notes:
Model: chargeHR
P/N: FB405BKL
Product Requirements:
USB port
Windows Vista and up
Mac OS X 10.6 and up
iPhone 4S and up
iPad 3rd and up
Android and Windows devices
Used:
Device will show significant signs of wear. It will have visible scratches, dents, scuffs, blemishes, and potentially small chips on the screen. The LCD may have scratches but will remain intact and fully functional. This device will be fully tested and fully functional.