1、3 in 1 Connection Design: The barcode scanner supports wireless and USB wired connection via 4GHz to meet your different usage needs. 2、Powerful Decode Capability: The QR code scanner can read most barcode types such as PDF417, UPC, EAN, Code39, 93, Code32, Code128, ISBN, etc. 3、Imaging Scanning Technology: Barcode scanners meet the requirement of scanning 1D and 2D codes displayed on the screen, making it easier to scan damaged, misaligned, and reflected barcodes. 4、Offline Upload: The wireless barcode scanner with memory also offers an offline mode where you can store barcode data and upload it in bulk. 5、Super Long Standby: The scanner has a built in 2200mAh battery that can standby for 20 days or work continuously for 18 hours. 6、Long Transmission Distance: The scanner has a Bluetooth transmission distance of up to 50 meters and wireless transmission of up to 100 meters.