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5.2V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eProduct application:\u003c\/p\u003e\n\u003cp\u003eCar navigation voice broadcast\u003c\/p\u003e\n\u003cp\u003eHighway transportation inspection, toll station voice prompts\u003c\/p\u003e\n\u003cp\u003eVoice prompts for safety checks at train and bus stations\u003c\/p\u003e\n\u003cp\u003eVoice prompts for power, communication, and financial service halls\u003c\/p\u003e\n\u003cp\u003eVoice prompts for vehicle entry and exit channel verification\u003c\/p\u003e\n\u003cp\u003eVoice prompts for border inspection channels\u003c\/p\u003e\n\u003cp\u003eMulti channel voice alarm or device operation guidance voice\u003c\/p\u003e\n\u003cp\u003eElectric sightseeing car safety driving voice notice\u003c\/p\u003e\n\u003cp\u003eAutomatic alarm for mechanical and electrical equipment failure\u003c\/p\u003e\n\u003cp\u003eFirefighting voice alarm prompt\u003c\/p\u003e\n\u003cp\u003eAutomatic broadcasting equipment, scheduled 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