AKG sound quality and consistent vocal performance and no matter which way you turn your head The C555L headworn microphone from AKG is rugged extremely easy to use and offers outstanding price and performance for a headset mic The C 555 L is the ideal microphone for any handsfree application including gymnastics instruction presentations or onstage performance The C 555 L rests securely and comfortably on the head and can be attached to the left or right side of the behind-the-neck headband as desired A transducer shock mount reduces handling noise to a minimum The moisture shield prevents perspiration from penetrating into the transducer element ensuring a high degree of humidity protection for the microphone This headworn mic is the only version available and can be used with the B 29 L battery power supply AKG WMS Series bodypack transmitters or the MPA V L adapter for external phantom powering (Not included) Important! Using any power supply other than those recommended by AKG may damage your microphone and will void the !