a611 Smart BT RFID Reader is a UHF Bluetooth RFID reader that can be used in conjunction with mobile phones. It is a Gunhandle type reader that allows users to carry and work conveniently with its compact size. It can be connected to Android or iPhone using one of the WIFI, Bluetooth, or USB connections to work on a mobile phone by reading RFID tags. Additionally, 2D barcode engine can be added to enable further collection of barcode data and multi-tasking on the mobile phone.