Let's just say that the high sales volume is definitely related to Taobao advertisements, but more importantly, they are genuine. For most people, they know nothing about treble and bass. The most important thing is that when we need a pair of headphones, Taobao promotion let us find it, and it's really good to buy it later. The most important thing is that it is not very expensive. Most people who can buy this kind of headphones are pursuing cost performance. Not when they find this headset cost-effective.