When you buy through links on this page, HuffPost may earn a commission that helps support our journalism. Every product is handpicked by the HuffPost Shopping team, and prices and availability are subject to change. From locating your cat to keeping eagle eyes on luggage, these tiny tech gems will earn their keep immediately. Whether you often misplace things (guilty!) or just find security in always knowing where your things are, Bluetooth trackers are real holy grail gadgets for the cause.