Hyper slim waterproof anti-lost locator iOS/Android friendly * 0.2" D, 3"W, 2"L * Finds & tracks your wallet through Bluetooth tracking * Locates keys, passports, laptops, backpacks, and pets * Use Ultra-sound to notify you when it has been left behind via Mobile * Waterproof exterior * Sky-tag SLIM syncs with your phone in seconds and comes with its own app * Doubles as a selfie remote * Tracks your valuables up to 30 meters away