drone speaker telephone megaphone for mini drone with 2000m control distance loudspeaker camera aerial broadcasting drones

features 1) all-in-one structure and small size, easy for installation and low air resistance. 2) based on digital voice coding technology, can get super clear voice and prevent disturbing from analog voice sources. 3) variety expansion. it can fix various vehicles such as aircrafts, cars, etc. 4) independent communication, not restricted by the communication of the source aircraft. 5) super clear and high strength sound, great penetrability. 6)stable. adjustable tape for easy adjustmen...