NFC Card Reader for Mobile Phone and Wristband Simulation Single-frequency IC card read, write, and copy functionality Compatible with mobile phones and computers Bluetooth connectivity for seamless pairing Computer software support: one-click read, write, and copy operations Mobile app support: one-click read and write for Android devices; plug-and-play functionality Requirements: - Android 8.0 or later, HarmonyOS 2.0 or later; OTG function required - Windows 10 or Windows 11 (limited compatibility with Windows 7); higher system performance recommended - Not compatible with iOS or other unsupported operating systems Output current: USB 5V Operating frequency: 13.56 MHz Color: Black + Transparent Material: PCB + Acrylic Package Includes: - 1 x Access control card reader - 1 x Type-C adapter (color may vary) - 1 x Data cable (color may vary) Note: Color appearance may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.