The answer to this question depends on individual needs and preferences. Wired headphones generally provide higher sound quality and stability because they are not affected by wireless signal interference. Also, wired headphones don't need to be charged or worry about battery life. However, wireless headphones offer greater flexibility and convenience as they do not need to be connected to an audio device and can be used in different rooms or locations. In addition, wireless headphones generally have longer battery life and better mobility. So choosing a wired or wireless headset depends on what you value more.
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Wired sound quality, wireless portability is good! Sennheiser's sound control technology is very good, can parse HiFi level high resolution lossless music. However, the built-in transmission protocol of wireless headphones compresses the sound quality of songs by default. It makes the song sound really bad. It is recommended that you use cable mode for song transmission and playback. For reference only
hifi headphones have wired and wireless (Bluetooth), compared to the two transmission methods, the high fidelity is wired. Wireless headphones are just easy to use, not bothered by the cable.