in-line cord switch for musical instruments,audios,medical equipment, Walkie talkie,Car DVD,GPS ... We produce encoder , potentiometer and switch. timer switch12 mm switch for musical instruments, audios,medical equipment, Walkie talkie,DVD,GPS navigation ... equipment and household appliances.High quality, long rotary life For VOLKSWAGEN,TOYOTA,HONDA SONY,TCL.etcPassed ISO9001,ISO14001,ISO/TS16949 ...