Indian fintech firm BharatPe has launched BharatPe One, an all-in-one payment product that integrates a point of sale (POS), QR code, and speaker into one device. The product will be launched in 100 cities in the first phase and 450 cities over the next six months. BharatPe One offers versatile payment options, including QR code, tap-and-pay, and traditional card payment.