MtnPOS supports all Bluetooth barcode scanners. Both 1D and 2D will work. You may find them on amazon.com. There are plenty of them. When a valid barcode is scanned, the product will be added to cart immediately. You may also choose to use iPad camera to scan a barcode or enter a barcode manually. A Bluetooth barcode scanner will make checkout process much faster, and so it is highly recommended in a busy store.
Enable External Barcode Scanner at settings to support advanced barcode scan. MtnPOS scanning smartly support UPC, Internal Self-generated Barcode, SKU, Product ID and Order ID.
UPC sample: 4011200296908
Internal barcode: ABCDEFG-1234
SKU: ABCD-EFG-1234
Product ID: P12345
Order ID: D12345
Some bluetooth scanners(connect as keyboard) for MtnPOS(as long as it supports ios):
https://www.amazon.com/Inateck-Wireless-Automatic-scanning-BCST-70/dp/B074M6RTM3/
https://www.amazon.com/Portable-Wireless-Bluetooth-Barcode-Scanner/dp/B07N8MG38F/
https://www.amazon.com/NETUM-Bluetooth-Wireless-Handheld-NT-1228BC/dp/B07CBRTWS5/
https://www.amazon.com/UPGRADED-Wireles-compatible-bluetooth-keyboard/dp/B00ERUJ6ZE/
Native bluetooth scanner for MtnPOS:
https://www.amazon.com/SocketScan-Imager-Barcode-Scanner-White/dp/B078Z32TXB