Features: Portable ring barcode scanner, powerful decode capacity for recognizing the common 1D codes quickly and accurately. Wireless BT allows operator to move in the range of 10 meters around the receiver. Ring design with faster tape makes it fixed flexibly and tightly on your finger, greatly increasing your working efficiency. Supports for IOS and Android OS smart phone, tablets easily, scanning and the barcode into your device directly. Built-in 512KB flash memory and 2KB for off-line bar code storage. Comes with a cable for charging, charge once and working for hours.