Phone Halo is an application and product that allows the owner of everyday valuables that are almost always at some point lost whether in your house or away from home. The way that this application works is that once you have downloaded it from the Android Market it uses bluetooth to wirelessly connect to the Phone Halo device. Multiple devices can be in contact with one another so you can also attach them to your wallet, keys, and other things that are easily lost and very valuable to you.
When you leave the devices comfort zone and it detects that you are leaving away, it will ring and alert you that you forgot your phone or other item. Or when you loose your phone, keys, or wallet it can ring to make it a lot more easier to find. This would come in very handy for me, as I'm almost always loosing my keys somewhere in my own home and they're never near my wallet or phone.
Another great feature, which is one that you never know when you might need is that when this device notices that you are no longer in proximity with it, it can lock your device and email and text you it's GPS coordinates or send them out to friends via social networks or also through text and email.
This level of comfort and security will come in two prices, $49.99 or at $99.99 (this package has more than one Halo device) and will only work with Android phones running 2.0 or higher. I know that if I could, I would have this app as it would save me plenty of time in the hunt for my keys in order to get to class and other appointments on time. For more information and purchasing the app check out their website at http://www.phonehalo.com/ and let us know how it works for you.