NFC mobile phone and bracelet simulation Single-frequency IC card read, write, and copy Supports mobile phone and computer operation Bluetooth connection: use Bluetooth function to connect Computer software: one-click read, write, and copy Mobile phone APP: one-click read and write for mobile phone operation Android mobile phone, plug and play Note: 1. Mobile phone requires Android 8 or above system, Hongmeng 2.0 system, and OTG function 2. Computer supports Win10–Win11 (partial Win7 support), higher performance recommended 3. Does not support iOS system Output current: USB 5V Support frequency stability: 13.56 MHz Color: Black + parent Material: PCB + Acrylic Package Contents: 1 x access control card reader 1 x Type-C adapter (adapter color random, no color specification accepted) 1 x data cable (cable color random, no color specification accepted) Only the above package content included; other products not included Note: Light reflection and different displays may cause slight color differences between the image and the actual item. Measurement error allowed: +/- 1–3 cm