The difference is the interface type USB port and 3.5 interface are common interface types, but the difference between the two mainly lies in the way of use and function.
USB interface is mainly used for digital signal transmission, support multi-channel signal transmission, and signal quality is more stable, support microphone with microphone, plus many e-sports headset brands to improve the quality of sound, the use of USB digital audio output program. The
3.5 interface is mainly used for analog signal transmission, supporting single-channel signal transmission, which needs to reach the DAC (digital-to-analog converter) to turn the analog signal output to the headset. However, for some ordinary users, the use of 3.5 interface headphones can basically meet the daily needs, and its popularity on the mobile end has also made it a more common choice.