Feature: 1. Ultra Slim Design: The wallet tracker card boasts an ultra-slim profile, making it one of the thinnest trackers on the market. Its sleek surface fits effortlessly into any wallet without adding bulk or causing wrinkles. 2. IP68 Waterproof Rating: This ultra slim tracking card features an impressive IP68 waterproof rating, ensuring it withstands splashes, rain, and even brief submersion, keeping your device safe in various conditions. 3. Global Precision Tracking: The item card finder supports for Apple Find My network, allowing global tracking whenever an for Apple device (for iPhone/for iPad/for Mac) is nearby, ensuring you can locate your items anywhere in the world. 4. Convenient Open Hole Design: The smart tag wallet tracker features an open hole design for easy attachment to keyrings. It allows for easy location with sound alerts and app integration, including Siri assistance for quick item retrieval. Effortless Pairing: Simply open the Find My app for iPhone, tap the "Items" tab, and choose "Add Item." Select "Other Supported Item," and connect the wallet anti-loss card. Name your item, choose an expression, and agree to register it for Apple ID for seamless integration. Specification: Function: IPX68 waterproof, wireless charging, room card replacement, car key anti-loss, liquid cold pressing, NFC function + electronic business card Built-in buzzer: diameter 15mm Battery specification: polymer battery 50mAh Sound: 60-70dB Color: Black Material: ABS+PVC Package Contents: 1 x Wallet Tracker Card