Install the TrackR app on your smartphone and it will tell you the distance between you and your lost items. With a tap of your finger, TrackR can ring your misplaced item.
If the item is not within range of your smartphone. TrackR's crowd GPS function will alert you when a TrackR user is within range of your lost item.
Conversely if you lose your phone. The TrackR device can be used to ring it. Custom 2-way separation notifies you before you leaave your items behind.