The Socket Mobile S840 is a fast-scanning 2D/1D imager barcode scanner with Bluetooth® wireless technology. Small, thin and easy to use, the scanner is optimized for attaching to mobile devices, enabling one-handed operation. The S840 can scan barcodes printed on labels or displayed on device screens. It reads all the most popular 2D/1D barcodes and is perfect for retail point of sale, inventory management, sales order entry, field service, and other mobile business applications.