Apple Find My certified tracker with 100-meter Bluetooth range for locating keys, bags, wallets, and valuables Simply swap battery annually for continuous tracking Compact, lightweight design with durable keychain loop attachment fits effortlessly into pockets, bags, or key rings Water-resistant construction withstands splashes, rain, and moisture; ideal for everyday carry and outdoor use Ultra-loud alarm sound plays remotely through Apple Find My app to help locate nearby items instantly iOS exclusive: Works seamlessly with iPhone, iPad, and Mac; Apple ID integration for secure tracking and Lost Mode 1 Year Warranty