Keep your personal belongings safe with these Bluetooth 4.0 Anti Loss Devices. With a range of up to 50 meters, you'll never have to worry about misplacing your items again. Simply attach the small device to your keys, wallet, or any other important item and connect it to your phone. Next time you can't find your belongings, use the app to locate the device and voila! The set includes three devices and easy-to-follow instructions for a hassle-free experience. Don't let the fear of losing your belongings ruin your day. Get your hands on these anti-loss devices today and enjoy peace of mind knowing your items are always within reach. Measurements are 1 1/2 inch square, black, plastic, and hand cord.