Rtriv'r is a anti lost alarm work with Android smart phone. It uses a Bluetooth connection to communicate with your phone, and easily attached to your keys, purse, bag, or any other item you want to protect from loss. Rtriv'r APP supports Android2.1 or above.

2 way finder. Tap the button on the Rtriv'r to ring and vibrate your phone. If you are looking for your Rtriv'r, use the phone's application to make the Rtriv'r ring. They can find each other in a 30-foot radius.
2 way alarm between your smart phone and Rtriv'r. If one goes out of range, you can be notified in both phone and Rtriv'r, even you are calling or your phone had set in a silent mode.