Easily find everything The key finder is connected to the phone via Bluetooth and the app. It supports iOS and Android phones. With key finder to attach keys, wallet, remote control, glasses, phones, dog collars or other things that are easy to lose. Find a Key - The Key Finder keys that make music help you quickly find misplaced items; click "Call" on the app to ring your key and find something quickly. Long battery life: There is a separate battery compartment for easy battery replacement . Comes with a spare CR2032 battery (another battery in the key finder), each battery can be used for 10 months. Lifetime technical support. If you have any questions about the remote locator, please feel free to let us know. Improves life convenience - Location map app that records the location of the last connection, easy to use and configure, open the map in the app, and easily guess the approximate location of the missing object. It can be given as a gift to the elderly, grandparents and forgotten people. Intimate service - Remote locator with compact design, stylish look, easy to carry, suitable for daily life, office and travel. Quantity delivered: 1 piece Product color: black Product specifications: as shown in the picture. Dimensions: 37.2 x 37.2 x 8.9 mm Weight: 14.8g (including key ring) Case Material: Polycarbonate Standby time: 8-12 months Battery model: CR2032 button battery Booster volume: 85-95 decibels Compatible platform: iOs10.0 system or above, Android5.0 system or above Good quality product