➀ The slide switch, TS-13 series from Zhuhai Tuolin Electronics, controls the wind speed. ➁ The high-speed motor, LF01 from Shenzhen Shuye Innovation Technology, operates at 107,000 rpm and 105W. ➂ The negative ion generator, NB-LM from Dongguan Nanbai Electronics, produces ions for healthier hair. ➃ The control board features an MCU, CMS32M5710L048 from Zhongwei Semiconductor, and a motor driver MOS, AP5N50BD from Yongyuan Microelectronics. ➄ The board includes a high-voltage half-bridge MOS driver, EG27710 from Yijing Micro, and a bidirectional thyristor, BTA16-600CW from Jiejie Micro.