TWS has seized the market from design and user pain points in recent years, but with the improvement of technology, high-resolution sound quality, extended battery life and low latency have become a new round of user concerns.
PCB boards have single-sided, double-sided and multilayer, of which there is no limit to the number of layers, there are already more than 100 layers of PCBs, while the common multilayer PCB is four and six-layer board.