NETUM NT-2050M/NT-2055L Omnidirectional Hands-Free QR Scanner, USB Wir
Buy Wholesale China 1d 2d Barcode Scanner Omnidirectional Hands-free Usb Barcode Reader For Mobile Payment Mj9120 & Wired Laser Scanner Scanner at USD 35 | Global Sources
algorithm - How omnidirectional barcode scanner works algorithmically? - Stack Overflow
Amazon.com : Handsfree 2D 1D Barcode Scanner,Alacrity QR Omnidirectional Desktop Bar Code Reader Scanner, Capture Barcodes from Mobile Phone Screen, Black : Office Products