1. Ultra-Thin Design: The wallet tracker card is incredibly slim, approximately the size of two credit cards and only 3mm thick. Easily slip it into your wallet, luggage tag, or other items to locate lost belongings effortlessly. 2. Compatible with Find My App: Add your wallet finder to the Find My app on your device compatible with iOS. Use Bluetooth to connect nearby or leverage the Find My Network to track it globally through hundreds of devices. 3. Proactive Loss Prevention: Receive notifications when you leave items behind, and use Lost Mode to help retrieve them. The Find My app sends alerts, actively preventing the loss of your wallet or ID. 4. Long Battery Life with Wireless Charging: The thin item finder boasts a battery life of up to 3 months and supports wireless charging, eliminating the need for special charging cables. It's reusable and built to last. 5. Waterproof and Adventure-Ready: The smart card tracker is designed to withstand accidental spills, splashes, and immersion, ensuring it remains functional no matter where your adventures take you. Battery life: 3 months Battery capacity: 170 mAh Is the battery replaceable: No Charging method: Wireless charging Supported system: iOS APP: Compatible with Find My Connection method: Bluetooth connection Operation instructions: Connect and use; no need to download an app, you can connect through the built-in "Find" app. Features: Global positioning, one-click search, ultra-long standby, lost tracking, voice reminder, light and portable, dustproof Color: Black Material: Plastic Package Contents: 2 * Wallet Tracker Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.