Fitbit FB401BK Flex Wireless Activity Wristband

SOLD great working condition Features: Average Speed, Altimeter, Bluetooth, Average Heart Rate, Alarm Activity: Fitness, Swimming, Gym & Training, Yoga, Pilates, Walking Single Charge Life (up to): 5 Days You may need to download latest driver/firmware updates from Fitbit's website Includes: Tracker Charging cable Wireless sync dongle 2 Wristbands (one large & one small) Syncs with: iPhone 4S and later iPad 3 gen. and later Leading Android devices Windows XP and later Mac OS 10.6 and later