... switch for musical instruments, audios,medical equipment, Walkie talkie,DVD,GPS navigation,toys ,automotive accessories (car amplifiers) Volume Control ... equipment, computer /multimedia peripheral products, VCD players and DVD players, and other electronic equipment and household appliances.High ... quality, long rotary life For VOLKSWAGEN,TOYOTA,HONDA SONY,TCL.etcPassed ISO9001,ISO14001,ISO/TS16949