NFC-enabled mobile phone and bracelet simulation Single-frequency IC card read, write, and clone functionality Compatible with mobile phones and computers Bluetooth connectivity for device pairing Computer software: one-click read, write, and clone functions Mobile app support: one-click read and write for Android devices; plug-and-play operation Requirements: 1. Android 8.0 or later, or HarmonyOS 2.0; OTG functionality required 2. Windows 10 or Windows 11 (limited compatibility with Windows 7); higher system performance recommended 3. Not compatible with other 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 varies) 1 x data cable (color varies) Note: Color appearance may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.