Features: 1. Mini Tracker: The mini tracker is suitable for you to hang on your keychain, small and delicate, looks like a small accessory, providing more convenience for your daily life. 2. Smart Two-way Search: Our tracker uses a mobile app to connect. Tap the phone and the device will sound an alarm. Click the product button, the mobile phone will also emit a sound and have the function of location history. Even when the connection is disconnected, the app will automatically record the location to facilitate finding lost items. 3. Widely Applicable: Bluetooth smart tracker is not only suitable for keys, but also for pets, mobile phones, wallets, handbags are also suitable. 4. Easy Search: One-click search. open the app and find the corresponding object finder. Click on the object finder you need to find and the sound will guide you to it. 5. Long Battery Life: Battery adopts replaceable cr2032 battery, low power consumption technology ensures few months working time. Specification: Material: ABS Color: White, Black, Blue Battery: 1 x Button Battery CR2032 (Included) Product Size: 5 x 3 x 1cm Product Weight: 20g Package Included: 1 x Locator Finder 1 x Manual