Fitbit Alta HR, Black, Large (US Version)

Fitbit Alta HR, Black, Large (US Version). Troubleshoot-issues like not syncing despite successful setup, not responding to taps despite being charged and not tracking your steps or other data can be corrected by restarting your tracker reboots the device but does not delete any data. Syncing range: Up to 6.1 m, 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. Syncs with Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, Android 4.4 and later, and Windows 10 devices.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 1.61 x 0.61 x 1.3 inches; 0.8 ounces
Item model number ‏ : ‎ FB408SBKL
Department ‏ : ‎ unisex-adult
Batteries ‏ : ‎ 1 CR5 batteries required. (included)
Date First Available ‏ : ‎ February 18, 2017
Manufacturer ‏ : ‎ Fitbit Inc
ASIN ‏ : ‎ B06VXC2FJP

Get the power of continuous heart rate in Fitbit’s slimmest design yet-all day, during workouts and beyond. Alta HR contains a Bluetooth 4.0 radio transceiver. The operating temperature is minus 10 to 45 degree Celsius
With heart rate, you can better measure calorie burn, and use zones (Fat Burn, Cardio, and Peak) to find the right workout intensity for your goals.
With sleep stages powered by PurePulse heart rate, automatically track your time spent in light, deep and REM sleep and take steps toward a better night’s rest.
See how working out more can improve your health by comparing your resting heart rate trends to your activity, Sync stats wirelessly & automatically to computers and 200+ leading iOS, Android and Windows devices.
Automatically track your steps, distance, calories burned and active minutes with up to 7 days of battery life
Tap to see your stats, time & notifications on an OLED display, plus customize your clock face. Maximum operating altitude: 30,000 feet
Made of a flexible, durable elastomer material. The minimum and maximum circumference range between 170 – 206 millimeters.
Buy with confidence when your Fitbit product ‘ships from and is sold by’ the following authorized Fitbit retailers: Amazon.com, Heart Rate Monitors USA and Clever Training. Fitbit does not guarantee the quality or authenticity of products purchased from non-authorized resellers on Amazon, and they are not eligible for warranty and replacement from Fitbit.