The ACS ACR1555U is a secure Bluetooth NFC reader, supporting various contactless standards including ISO 14443 & ISO 18092, which cover a wide range of options including Mifare Classic, Ultralight & NTAG. The ACR1555U features Bluetooth 5.2 support for mobile device pairing and full speed USB connectivity for PC usage. Supporting high speed read/write functions, card emulation, HID keyboard emulation, AES encryption and built-in Li-ion battery, the ACR1555U is a secure, portable and efficient option for a variety of applications including mobile banking and payments, access control, public key infrastructure and more. Key Features Supports 13.56Mhz Bluetooth 5.2 Bluetooth AES-128 Encryption Read & Write functions Read/Write ISO 14443 - Up to 848kbps Detachable USB C → USB A Cable Bluetooth HID Keyboard Emulation Mode 3.7V 450mAh Li-ion rechargeable battery Part Number ACR1555U Certification & Compliance USB CCID PC/SC J-LIS Microsoft WHQL BQB Supported Operating Systems Windows Linux Mac OS iOS iPadOS Android Dimensions 93 x 58 x 6mm / 3.7" x 2.29" x 0.24" Supported Chip Types Include: ISO 14443 ISO 15693 ISO 18092 NFC Mifare FeliCa If you have any questions, or would like further details, please get in touch.