15-second realistic 4K commercial video, bright and cozy convenience store interior with warm cinematic lighting, shelves filled with snacks and drinks in soft focus background. A beautiful friendly young Asian female shop assistant stands behind the checkout counter, picks up the JD payment cloud speaker, gently touches the device while speaking naturally to the camera. Close-up shot focuses on the cloud speaker’s texture and logo, then cuts back to the assistant gesturing confidently to emphasize product features. Final wide shot shows the assistant placing the speaker on a prominent spot on the counter and smiling at the camera, with a few customers browsing shelves in the background. No subtitles, no payment actions, no payment screens, smooth scene transitions, natural color grading.