Keep track of your heartbeat, daily steps and more with this versatile Fitbit Alta HR fitness wristband. This sophisticated fitness tracker sits on your wrist, where it reminds you to stay active and automatically logs your workout routine via SmartTrack technology. Connect this large black Fitbit Alta HR fitness wristband to your smart device to monitor your daily habits. Features: All day activity tracking with continuous heart rate Track calorie burn, heart rate, gauge workout intensity and get a picture of your overall health without an uncomfortable chest strap. Sleep tracking with sleep stages Automatically tracks how long you sleep, shows your time spent in light, deep and REM sleep, and has a silent alarm to help you wake more peacefully. Clear, bright OLED tap display Gives you instant access to stats, the time and smartphone notifications. Auto exercise recognition SmartTrack technology automatically detects and logs workouts to the Fitbit dashboard, so you get credit without ever pushing a button. Smartphone notifications Keeps you connected with call, text and calendar notifications on display, so you never miss the messages that matter. Reminders to move Tracker sends you friendly reminders to move that encourage you to stay active and help you fit more movement into your day. Adjustable strap Fits comfortably on most wrists from 6.7" to 8.1" in circumference. Syncs to select Apple, Android and Windows devices Such as iPhone, iPad, iPod touch and cell phones and tablets with Windows Phone or Android for simple wireless communication. Monitor your goals and interact with friends You can set goals, track your progress, connect with friends and share your milestones, get personalized fitness coaching and more with special Fitbit app.
- 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.