4x Smart Search Key Tracker Bluetooth Locator Features: Connects to Bluetooth-enabled mobile phones for two-way search and supports connection to up to 6 anti-lost devices simultaneously. Alarm reminder helps prevent loss of items. Includes "Do Not Disturb" mode. Enables control of the mobile phone's recording function via the anti-loss device. Product Specifications: Material: ABS Battery: CR2032 Net Weight: 9g Working Distance: 10 meters Bluetooth Version: Bluetooth 4.0 Dimensions: 50x30x10mm Available Colors: Black, White, Green, Pink, Red, Blue Compatible Apps: iSearching, Kindelf Compatible Devices: Smartphones with Bluetooth 4.0 or higher, iOS 12.0 and above, Android 10.0 and above Application: Ideal for use with wallets, keys, children, pets, bags, and other personal items. Usage Instructions: Download the iSearching or Kindelf app: For : Search and download from the App Store. For Android: Download from Google Play Store (not available for users in mainland China). After installation, enable "Background Operation" in permission settings. Power On: Press and hold the device button for approximately 3 seconds until two beeps are heard. Enable Bluetooth on your phone and open the app to search for devices (do not pair directly through phone Bluetooth settings). To add a new device, tap the '+' button in the top right corner of the app. Additional Features: Two-Way Alarm: Both the phone and tracker sound an alarm when separated beyond the set range (up to 10 meters). Find Your Phone: Double-click the tracker button to trigger the phone alarm. Location History: View recent locations and loss history by tapping the "Location" button in the app. Camera Control: Use the "Camera" button in the app to remotely activate the phone's camera. Device Settings: Tap the arrow next to the "Alarm" button to customize device name, alarm tone, volume, and other options. It is recommended to keep the default anti-loss distance. Usage Notes: Ensure the app remains active (can run in the background) and Bluetooth is connected during use. The tracker may sound an alarm if the connection is lost. Press the button or reopen the app to stop the alert. To disconnect after use, press and hold the button for 5 seconds. If experiencing connection issues, swipe left on the connected device field in the app and tap "+" to reset and reconnect.