The ring barcode scanning product HS-S02 is divided into 1D (CCD/LASER) and 2D three different configuration models. With rechargeable battery and memory, Bluetooth communication mode. Can be worn on the finger, easy to scan the bar code data or data acquisition. Can support WINDOWS/ANDROID/IOS and other systems. It is the best choice for arranging stocktaking, logistics express and commercial retail data collection.