Increasing Shopper Trust in Retailer Technological Interfaces via Auditory Confirmation

•Auditory confirmation from point-of-sale technology (RTAC) increases shopper trust.•Trust increases experience satisfaction and future purchase intentions.•Environment distractors may decrease trust in retail point-of-sale technology.•Multimodal audio-visual confirmation reverses distracting retail environment effect.•Pitch moderates the efficacy of RTAC, with higher-pitched sounds more effective.