SiGN Ultra Slim Bluetooth tracker card makes it easy to track and find your valuables. The slim design at just 2mm fits in your wallet or key ring. With wireless charging, convenient long battery life and IPX5 water resistance, it's ready for all the challenges of everyday life. Works with both iPhone and Android You can easily connect the Bluetooth tracker to Apple "Find My" for iPhone or Google Findhub for Android for fast and accurate updates on your card's location. Now you can always keep an eye on your wallet wherever you are! Specifications: Brand: SiGN Color: Black Material: ABS + Plastic Battery: Lithium-polymer (100mAh, rechargeable) Charging: Wireless charging Dust/water protection: IPX5 Bluetooth version: 5.3 Bluetooth connection: Up to 50 m (line of sight) Size: 54 x 85.6 x 2 mm Weight: 12.4 g Sound volume: 80–100 dB Frequency range: 2400MHz ~ 2483.5MHz Standby time: Up to 8 months Compatible with: iPhones/iPads with IOS 14.5 or later, and mobiles with Android 9.0 or later Benefits of SiGN Ultra Slim Location Finder Bluetooth Tracker for Wallet SmartCard – Black Ultra-thin design for easy placement in a wallet or bag Compatible with both Apple Find My and Google Findhub Long battery life and wireless charging for convenient use IPX5 water protection makes it durable for everyday use