麻豆乱码国产一区二区三区-加勒比色老久久爱综合网-国产精品videossex国产高清-a级毛片免费完整视频

The functionality of TWS Bluetooth earphones is becoming increasingly powerful, while the circuit board is getting smaller and the integration is getting higher. Bluetooth earphones are composed of cables, MIC, USB, Receiver left and right channels, T-card, wireless charging, buttons, etc. Adding efficient electrostatic protection components to PCB circuits is an effective measure to solve the problem of electrostatic discharge interference.