A system for performing a point-of-sale (POS) transaction. The system includes a POS device configured to receive an item order input specifying an item that is listed in a pre-determined inventory list of a merchant, receive a hands-free confirmation that the item is to be purchased by a customer, and prompt, in response to the hands-free confirmation, the customer to select a payment method, and a wearable device worn by the merchant and configured to obtain the hands-free confirmation from the merchant for sending to the POS device, and obtain, in response to the prompting, information associated with a payment credential of the consumer for sending to the POS device, where the POS transaction is performed based on the payment credential.