: This ultra-thin device was designed specifically for card slots. While rare, you can occasionally find it on eBay for roughly $11.50 or Mercari for about $8.21. TrackR Pixel
: Less than 2mm thick with an IPX7 waterproof rating. It lasts up to six months on a single wireless charge. Comparison Table: Wallet Trackers at Best Buy (2026) Compatibility Special Feature Ridge Tracker Card iOS (Find My) Wireless Rechargeable 95dB Loud Ringer iOS & Android 3-Year Built-in Massive User Network Satechi FindAll Go to product viewer dialog for this item. iOS (Find My) Wireless Rechargeable Premium Metal/Glass Build Zike SmartCard iOS (Find My) Wireless Rechargeable IPX7 Waterproof Final Verdict trackr wallet best buy
: Since the official TrackR app and cloud services may have limited support, these are best for users who already have a legacy setup. 2. Best Modern Alternatives at Best Buy : This ultra-thin device was designed specifically for
: Available at Best Buy for roughly $23.99. It’s designed to slide into any wallet and uses the massive Tile community network to help find lost items. Satechi FindAll Card Best Buy& more Go to product viewer dialog for this item. Best For : iPhone users looking for a sleek, durable build. It lasts up to six months on a single wireless charge