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What headphones do you need to prepare for CET-4?
Headphones, wireless headphones.

This kind of earphone is comfortable to wear, which can effectively isolate external noise and make candidates listen to listening materials more attentively. The school will purchase FM headphones in a unified way to ensure that it will not buy the wrong equipment. The frequency modulation of band 4 English listening headphones should be FM 1, the frequency range of FM 1 is 50-86MHz, and FM 1 is the special frequency band for listening test.