I think Sunny has done an amazing job at the price point, I will likely take a look at their other products and hope they do a better job advertising the good specs their equipment seems to have based on this bench. The last pair of shoes I had that were this comfortable cost me just under $150 a pair. These sound crisp and clean with great mids, vocals and high end sound and better bass than most buds. If there are different sizes, then I might need a large size for my ear. Both had lesbian scenes in the first five minutes. And yes I know how to charge it. It has an ANC/HearThrough button that is useful. However, I was so disappointed to hear the same crackling/distorting sound/noise while being on the calls (both MS Teams and Phone Calls). There were a few spots I added my own mounting tape. Ironically he doesnt sound anywhere near as whiny either.