High Quality: Bluetooth 5.0 technology, low power consumption, button battery, standby time of more than 10 months, easy to replace. TwoWay AntiLoss: Connects to your phone via Bluetooth. When the Bluetooth range is exceeded, both the phone and the antiloss device will alarm simultaneously. The service distance is approximately 1025m (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