NFC mobile phone and bracelet simulation Single-frequency IC card read, write and copy Support mobile phone and computer operation Bluetooth connection: use Bluetooth function to connect Computer software: one-click read, write and copy, mobile phone bracelet NFC simulation, no vulnerability card/Ntag card, etc. Mobile phone APP: one-click read and write for mobile phone operation; Android mobile phone, plug and play. Note: 1. Mobile phone Android 8 or above system, Hongmeng 2.0 system, mobile phone needs to have OTG function; 2. Computer supports Win10-Win11 (Win7 part can), the higher the performance, the better; 3. Does not support Apple system. Output current: USB 5V Support frequency stability: 13.56Mhz Colour: Black + Transparent Material:PCB+Acrylic Package Contents: 3 x access control card reader 3 x Type-C adapter (adapter color is random, specified color is not accepted) 3 x data cable (data cable color is random, specified color is not accepted) There are differences in printing and silk-screen printing due to different batches, which will not affect the use; there are color differences in the actual product due to different light or display.