Key Finder with AppThe key finder is connected to the phone via Bluetooth and Nut App. It supports for iOS and Android phone. With 4 nut finder to attach keys, wallet, remote, glasses, phones, dog collars or other things that are easy lost. The key finder locator will help you not waste time searching for stuff. One Touch FindThe key finder that makes music helps you find misplaced items quickly Click the "CALL" on the App to make your key finder ring and find anything quickly. Location Record LocatorNut App has real time location map, and will record the last connected location to help you find it back. so you can open the map in the App to speculate approximate location of your missing items. Long Battery Life and SupportCome with an extra replacement battery CR2032 (another battery in the key finder), each battery can be used for 10 months. Life-time technical support. If you have questions about remote finder, feel free to let us know. Customer CareWe are dedicated to provide premium products for you and offer impeccable customer care to you. Dont wait any longer and just enjoy your ideal products today Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.