I will show you how to generate bills with a smartphone using a Bluetooth printer. This is a great way for RETAILERS & BUSINESS OWNERS to quickly and easily generate bills without having to use a traditional cash register. To follow along with this tutorial, you will need the following: A smartphone with a camera A Bluetooth printer A M-POS app (Contact us for the app check out our website given below:) https://er4u.in/ Once you have all of your materials, follow these steps: Set up your Blu