MU5-00002 Band 2 Fitness Tracker Black

Helps you track your heart rate, exercise, calorie burn and sleep quality and keeps you connected with email, text and calendar alerts
Reach your fitness goals with custom tracking whether running, biking, golfing or working out
Stay connected at a glance with notifications that matter most to you right on your wrist
Technology from Microsoft Health gives you actionable insights based on your data
Microsoft Band is designed to be awesome no matter what phone you own