Ultra-Thin Design: SwitchBot Wallet Finder Card is only 2.5mm thick, slimmer than a coin, and fits neatly into your wallet without adding bulk. It's the perfect solution for keeping your valuables safe discreetly. Global Precision Tracking: Compatible with Apple Find My, the SwitchBot Wallet Finder Card enables you to track your belongings worldwide without requiring additional apps. Enjoy 78dB sound alerts and detailed route guidance for quick retrieval and peace of mind. Long-Lasting Battery Life and NFC Functionality: With a 540mAh battery, this card offers up to 3 years of continuous use without frequent recharging. Smart reminders notify you when the battery is low, below 20%. Even when the battery is depleted, it functions as an NFC card, adding extra utility. Multi-Functional Waterproof Design: Rated IP67 waterproof and dustproof, this card is versatile for various scenarios. Attach it to your wallet, luggage, or backpack using the included lanyard for reliable anti-loss protection in any weather condition. Privacy Protection and Anti-Tracking: Bank-grade AES-128 encryption safeguards your privacy. The Anti-Tracking Mode alerts you to unknown Smart Trackers nearby, preventing unwanted tracking. The QR code on the back facilitates direct contact with finders, increasing the chances of recovering lost items. Easy to Use and Quick Setup, Universal Compatibility: Compatible with both iPhone and Android devices, the SwitchBot Wallet Finder Card offers a setup process under 30 seconds, making it accessible to all users, regardless of technical expertise. Enjoy the convenience of cutting-edge technology effortlessly.