Fitbit Flex Wireless Activity Sleep Wristband, Black, Small/Large available on January 28 2020 from Amazon for 119.98
Fitbit Flex Fb401bk Wireless Activity Sleep Wristband - Black available on July 27 2018 from TechForLess for itemprop="offers" target="_external" title="" itemscope itemtype="http://schema.org/Offer">109.83
Fitbit Fb401bk Flex Wireless Activity & Sleep Wristband - Black available on April 01 2017 from Newegg for 69.99
Fitbit Fb401bk Flex Wireless Activity & Sleep Wristband - Black available on March 30 2017 from NeweggBusiness for itemprop="offers" target="_external" title="" itemscope itemtype="http://schema.org/Offer">69.99
UPC bar code 898628002649 ξ2 registered December 23 2013
UPC bar code 898628002649 ξ3 registered October 13 2016
UPC bar code 898628002649 ξ4 registered June 26 2015
UPC bar code 898628002649 ξ5 registered March 30 2017
UPC bar code 898628002649 ξ1 registered September 18 2015
One syncs automatically and wirelessly to tablets, computers and 150 leading iOS, Android and Windows smartphones using Bluetooth 4.0 wireless technology. Syncing to computers requires Internet connection and USB port. Syncing to mobile devices requires Bluetooth and Internet connection. Syncing range: 20 feet. Call notifications via Bluetooth 4.0 Water Resistance: Charge has been tested up to 1 ATM meaning it is sweat, rain and splash proof. However, the device is not swim proof. We also recommend taking Charge off before showering because, as with any wearable device, it's best for your skin if the band stays dry and clean Warning: Do not use if you have a pacemaker or other internal, or implanted medical device. Not intended for use by children under 13. Always consult your physician. Slippery when wet We recommend charging your device every few days to ensure you are always tracking. Charge time: One to two hours. Battery life: up to 7 - 10 days. Battery type: Lithium-polymer Syncs with Windows Vista and later, Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, and leading Android and Windows devices Tracks steps, distance, calories burned and active minutes Monitor how long and well you sleep Wakes you (and not your partner) with a silent wake alarm LED lights show how your day is stacking up against your goal Slim, comfortable and easy to wear (sold with both large and small wristbands included with an interchangeable clasp) Sync stats wirelessly and automatically to your computer and over 150 leading smartphones 1 wristband which acts both as an Activity & Sleep wristband. There is no seperate Sleep wristband. Never stop moving with Fitbit Flex. Wear this slim, stylish device all the time and get the motivation you need to get out and be more active. It tracks steps, distance, and calories burned and shows you how you’re stacking up against your daily goals. At night, it tracks your sleep cycle, helps you learn how to sleep better, and wakes you silently in the morning. Access your stats anytime on your computer, tablet or from leading smartphones – both iPhone and Android. Flex is your perfect companion, it’s with you everywhere… even in the shower. Plus, it looks good no matter what you’re wearing.