When locating my husbands iphone using Find My Iphone his device appears and so does a white dot

[iMore Question]

when I locate my husbands phone in find my iphone it shows a white dot with a grey ring around it near his device what does the white dot with ring represent

 

[Rob Phillips]

When locating my husbands iphone using Find My Iphone his device appears and ...

Duplicate thread: http://forums.imore.com/showthread.php?t=348064