Almost new, in box - only used for 2 days. BONUS: additional charger included •Get the power of PurePulse heart rate in a slim, stylish wristband so you can better track your calorie burn, gauge exercise intensity, and see resting heart rate trends. •Track all the basics like steps, distance and calories burned, and get friendly Reminders to Move that motivate you to keep stepping. •And keep track of your workouts with SmartTrack automatic exercise recognition, which gives you credit for being active. •Smartphone notifications keep you connected to your day, and you can tailor your look for any occasion with interchangeable metal, leather and classic bands. •By night, Alta HR automatically tracks your sleep and shows your time spent in light, deep and REM sleep. •There’s more than one way to achieve a healthier lifestyle. Move to the beat of you. Product Type: Activity tracker Integrated Components: Heart rate sensor Supported Host Device OS: iOS, Android, Windows Tracking Data: Calories burned, activity, sleep activity, heart rate Features: Calendar notification, SMS notification, call alerts, tap control, PurePulse heart rate technology, changeable band, automatic exercise recognition, inactivity alert Type: OLED - monochrome Run Time (Up To): 5 day(s) Band Size: Small Color: Slate Gray Width: 0.6 in Depth: 0.5 in Height: 1.6 in Weight: 0.81 oz Vibrating Alert: Yes Included Accessories: Charging cable