The Socket Mobile S820 is a linear barcode & QR Code 1D/2D 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 S820 can scan barcodes printed on labels or displayed on device screens. It reads 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. Approximately the same size as a credit card, measuring less than ½ inch (1.27cm) thick and weighing less than two ounces, the S820 is one of the smallest and lightest quality barcode scanners available in the market today. The S820 slips neatly into your pocket and fits comfortably in the palm of your hand when attached to a smartphone. The S820 is compatible with all applications in previous Socket Mobile scanners without software changes. Certified by Apple® for iOS devices (iPad®, iPhone®, iPod Touch® devices) and compatible with Android and Microsoft Windows®.