ACR1255U-J1 ACS Secure Bluetooth® NFC Reader is designed to facilitate on-the-go smart card and NFC applications. It combines the latest 13.56 MHz contactless technology with Bluetooth® connectivity.ACR1255U-J1 supports ISO 14443 Type A and B smart cards. MIFARE®. FeliCa®. and most NFC tags and devices compliant with ISO 18092 standard. This makes ACR1255U-J1 ideal for a broad range of solutions. such as hands-free verification for physical and logical access control. and inventory tracking. ACR1255U-J1 has two interfaces: Bluetooth (also known as Bluetooth Low Energy or BLE) for pairing with mobile devices. and USB Full Speed for PC-linked operation. Additionally. it can read/write at a speed of up to 424 Kbps for contactless smart card and NFC device access.With a compact design and a rechargeable Lithium-ion battery for power. ACR1255U-J1 is extremely portable and convenient for use anytime. anywhere with most Bluetooth-enabled smartphones and tablets.To save valuable cost and time.