WT2003H USB Card (External Flash Button Version) V1.02 User Manual

This product is a new generation of electronic greeting cards developed and designed by Shenzhen waytronic   Electronic Co., Ltd.  It outperforms traditional electronic greeting cards in every aspect. Not only can it be controlled by a photo resistor for playback, but it also boasts an ultra-long standby time. The sound quality has been comprehensively enhanced, offering clear and pleasant audio with no noise. The product is widely used in high-end gift boxes, mooncake boxes, premium liquor boxes, and greeting cards, among others.

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