Sensitive dynamic echo FM wireless external microphone for video recording

Sensitive dynamic echo FM wireless microphone mic recording video * Sensitive dynamic microphone element * Sing in the car through FM . * new design for recording microphone * Easy to set-up and operate * Suitable for all types of sound recording * Ideal for singers and vocalists * Professional audio and vocal recording * Support Andorid and Iphone system Specification: * Pickup : Condenser * Sensitivity: :-50±1dB * Power output :10mW * SPL Max :130dB * FM Transmitting