Warehouse POS allows you to create delivery / invoice from sales order using barcodes.
Warehouse POS can be customized to suit individual requirements.
bConnect automates all communication from SAP Business One.
You can send documents like invoices or purchase orders, reports like daily sales report or monthly customer statement, payment reminders, etc to your customers, suppliers, sales employees, etc.
It is easy to configure and does not need and works silently in the background.