Fitbit Alta HR Activity Tracker Health Companion Smartwatch S&L Size Black Item description: Condition: New Other Brand: Fitbit Warranty: Yes Color: Black Size: S&L Model: Fitbit Alta HR Compatibility: Android, IOS Manufacture Part Number: Alta HR SJ.XQ.402 Interchange Part Number:Alta HR SJ.XQ.402 Other Part Number: Alta HR SJ.XQ.402 Activity: Running, Fitness, Gym & Training, Pilates, Walking, Yoga Features: Water resistant, Alarm, Calorie Monitor, Clock, Distance, Heart Rate Monitor, Sleep Tracker, Smart phone compatibility, Wireless Personalized: Yes Language: English Body Area: Wrist Charge time (0-100%): Two hours Battery Life: Up to 5 Days Track your heart rate data, activity levels, sleep patterns, and more with the large Fitbit Alta HR Activity Tracker in black. This sleek device utilizes Pure Pulse technology to accurately track your heart rate data from your wrist. The Alta HR also counts how many steps you take, how far you walk, how many floors you climb, the number of calories you burn, and the time you spend active. It connects to your smartphone via Bluetooth and syncs its data wirelessly while providing you with notifications, workout assistance, and more on its OLED display. It comes with a large-sized band, which is designed to fit individuals with wrists measuring 6.7 to 8.1" around. The band can also be swapped out for other colors, sizes, and materials. Package Includes:1 x Fitbit Alta HR & Charging cable as Pictured