Find everything easily the key finder connects to the phone via Bluetooth and apps. It supports iOS and Android phones. Equipped with 4 key locators to secure keys, wallets, remotes, glasses, phones, dog collars or other easily lost items. Find keys key locators who make music can help you quickly find missing items; Click the call button on your app to ring your keys and quickly find content. Long battery life: the cr2032 backup battery (another battery in the key finder ) is included, each battery can be used for 10 months. Lifetime technical support. If you have any questions about the remote locator, please let us know. Location, which saves the location of the last login, is easy to use and configure, opens the mapping in the application, and it is easy to guess the approximate location of the missing object. It is a very popular gift for the elderly, grandparents and the forgotten. Dimensions: 3.8 x 3.8 x 7.2 cm. Attentive service - compact design, stylish, easy to carry, suitable for daily life, office and travel.