Best Bluetooth Barcode Scanner for Books: The KDC200i
3 Best Handheld Barcode Scanners for Scanning QR Codes
NETUM Bluetooth Mini Barcode Scanner 2.4G Wireless Compatible, Small Pocket USB 1D 2D QR Code Scanner for PC POS, Bar Code Image Reader for Tablet iPhone iPad Android iOS - C750: Amazon.co.uk:
Handheld Barcode Scanners & Readers | The Barcode Warehouse