The handheld barcode scanner decodes 1D, 2D, and QR barcodes with fast scanning speed and accuracy, and it can scan codes shown on device screens as well as printed labels. 3in1 connectivity: 2.4 GHz wireless, Bluetooth, and USB wired transmission. Plugandplay with no driver installation required. Wired connection has priority, and USB charging and data transmission can occur simultaneously. Builtin 1100mAh lithium battery with a smart power management system for long standby. Low power consumption and a configurable sleep time help extend operation between charges. Supplied with a multifunction base that acts as both a barcode scanner stand and a charging station. Easy to use and compatible with Android, Mac, iOS, and Windows XP/7/8/10. Practical and reliable performance: fast scanning, accurate decoding, and versatile connectivity suited for various workflows. Use scenarios Retail POS and stock management: scan product barcodes at checkout, and read codes displayed on customer smartphones or tablets; base keeps the device charged during transactions. Warehouse and inventory control: quickly count stock and scan labels on pallets, boxes, or parcels using either wireless or USB connection for flexible operation. Field service and mobile operations: pair with tablets or laptops for onthego scanning in warehouses, stores, or service visits; set up is straightforward with plugandplay connectivity.