Type: Smart Bluetooth Locator, Bluetooth Alarm, Pet Tracker, Bluetooth Key Finder, Smart Tag, Wallet Finder, Key Finder Description: Attach this smart tag onto keys and bags to keep track of your items. Features: Object finding function: Bind the anti-lost device to valuables, when the device is connected to the mobile phone APP Bluetooth, use the APP's search function to make the anti-lost device make a sound, so as to find the object. Find mobile phone function: When the device is connected with the mobile phone APP Bluetooth, when you need to find the mobile phone, double-click the device button to call the mobile phone, and the mobile phone will make a sound. Two-way alarm: Set and turn on the "Bluetooth disconnection alarm" switch in the software, which can realize two-way anti-lost. When the device is connected with the mobile phone APP Bluetooth, use the Selfie function of the software to take photos wirelessly. Double-click the switch button of the device to record in the APP Support iOS11.0 system and Android8.0 or above system (requires Bluetooth 5.0) Specifications: Material: ABS Color: Blue, Green Diameter: 3.8cm Bluetooth: 5.0 Battery: 1 x Button cell (CR2032) APP: iSearching Package Contents: 2 x Bluetooth Key Finder