TL;DREufy’s first tracking card with Google Find Hub support is officially for sale after years of delays.The SmartTrack Card E40 has an 80-decibel alarm, a 1.78mm thickness, and wireless charging support.The tracking card works with both Find Hub and Find My, and is available from Eufy’s online store for $35.Eufy’s long-awaited tracking card with Google Find Hub support is finally for sale. The Bluetooth tracker costs $35 and is available on Eufy’s website, complete with a slim design, wireless charging, and a loud alarm. The SmartTrack Card E40 works with both Find Hub and Apple Find My, but it’s Eufy’s first tracking card with support for Google’s tracker ecosystem.Despite its 1.78mm thickness, the SmartTrack Card E40 has a loud alarm that can reach 80 decibels to help you find your wallet. It’s worth noting that Pebblebee’s Card 5 is ever-so-slightly thinner at 1.74mm. The 140mAh battery lasts for about five months on a single charge, and can be recharged with any Qi wireless charger.