How to make QR codes on iPhone, iPad, and Mac - iGeeksBlog
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Mobile Barcode Scanner (PC, Mac, iOS and Android)
ScanAvenger Wireless Barcode Scanner - SA9000 Series Pro
Barcode Scanner for Windows PCs and Macs - CodeREADr
Mac Barcode Reader App | Peatix
Portable Ring 1D 2D QR Barcode Scanner,Wearable Wireless Finger Mini Bar Code Reader Compatible for Windows, Mac OS, Android 4.0+, iOS Support Scan QR PDF417 DataMatrix on Screen and Paper,2D barcode scanner
Scan a QR code with your iPhone, iPad, or iPod touch - Apple Support
Portable 1D+2D Bluetooth Barcode Scanner - ScanAvenger