4x Smart Search Key Tracker Bluetooth Locator Features: Connects to Bluetooth-enabled mobile phones for two-way search; supports up to 6 anti-lost devices simultaneously. Includes alarm reminder to prevent loss and "Do Not Disturb" mode. Product Specifications: Material: ABS Battery: CR2032 Net Weight: 9 g Working Distance: 10 meters Bluetooth Version: Bluetooth 4.0 Dimensions: 50 x 30 x 10 mm Colors: Black, White, Green, Pink, Red, Blue Compatibility: Requires Bluetooth 4.0, iOS 12.0 or later, or Android 10.0 or later. Setup Instructions: 1. Download the compatible app from the App Store (iOS) or Google Play Store (Android). 2. Enable necessary permissions, including background operation and location access. 3. Power on the device by pressing and holding the button for approximately 3 seconds until two beeps sound. 4. Turn on Bluetooth on your phone and open the app to search for and connect to the device. 5. To add a new device, tap the "+" icon in the top-right corner of the app. Key Functions: - Two-way alarm: Triggers simultaneously on both the phone and tracker when distance exceeds 10 meters. - Find phone: Double-click the tracker button to make the connected phone ring. - Location history: View past locations and loss events via the app’s location feature. - Remote camera control: Use the app to activate the phone’s camera and take photos. - Customizable settings: Rename the device, adjust alarm tone and volume, and configure other preferences. Default anti-loss distance is recommended for optimal performance. Usage Notes: - Ensure the app remains active (even in the background) and Bluetooth stays connected for full functionality. - The tracker will emit an alert if the app is closed; press the button or reopen the app to stop it. - To disconnect, press and hold the button for 5 seconds. - If login issues occur, swipe left to remove the saved device and tap "+" to reconnect. Note: Color appearance may vary slightly due to screen and lighting conditions. Slight dimensional variances may occur due to manual measurement.