High Quality: Bluetooth 5.0 technology, low power consumption, button battery, standby time of more than 10 months, easy to replace. Two-Way Anti-Loss: Connects to your phone via Bluetooth. When the Bluetooth range is exceeded, both the phone and the anti-loss device will alarm simultaneously. The service distance is approximately 10-25m (indoors and outdoors). Dog Claw Design: Beautiful and modern appearance. Available in eight colors (white, gray, dark blue, black, green, pink, red, and sky blue) to suit your style. Widely Used: Ideal for pets, luggage, handbags, children, etc., to prevent loss and ensure safety. A great gadget to help you search and find your belongings. Compatibility: When the device is disconnected from the phone, you can view the map location. Compatible with iOS and Android 4.3 or later (requires Bluetooth 5.0). Material: ABS Size: 42.40.10mm Applications: Item Finder Battery: Button Battery (CR2032) Quantity: 1 pc