Pally Smart Finder KF-4A, Bluetooth 4.0 Key Finder and Virtual Leash, 2+ Year Battery Life, Loud Alert, Free iOS and Android App Lost it? Tap it! Tap Pally app on your phone to make Pally beep. Locate your item attached to Pally by sound or by a map of its last known location Keep an Eye on your Valuables: Pally ties your valuable to your phone and alerts you if it is left behind Finds Your Phone Too! Press the button on Pally and your phone rings. Pally is the runner-up in Toms Guide Best and Worst Wireless Key Finders 2015 review. Durable and Reliable: Worlds 1st Easily replaceable battery with 2+ year continuous use. Easy-to-hear loud sound.