Christmas Promotion！<br />1.Tells time like traditional watch;<br />2.Count your daily steps;<br />3.Track hours and quality of sleep;<br />4.Caculate calories burned;<br />5.connects wirelessly via bluetooth;<br />6.Schedule reminders;<br />7.Measure distance travel;<br />8.Wear it day and night;<br />9.Set up your daily goals;<br />10.Android 4.3;IOS 6.0 and later;<br />11.Monitor your activity in real-time.  <br />Red one is for thiner wrist、around 16cm(MAX) long.Black and Blue:26cm long(MAX).