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product function introduction: 1. the product uses a high-performance radio module, and the audio frequency range is fm76mhz-108mhz, which can meet the needs of most countries in the world. 2. the radio has the functions of automatic search, automatic lock, and automatic storage. the number of storage stations is unlimited, and the operation is simple and convenient. 3. the humanized design of the radio can be set to automatically turn off time, the setting time is 5-90 minutes, and the radio