The Retevis RB36 loudspeaker integrates walkie-talkie and loudspeaker functions. It can talk to the walkie-talkie two-way through the frequency writing. It is equipped with a large-function speaker and the sound can cover a large area. RB36 is suitable for factory workshops, school classrooms, playgrounds, and restaurants, Scenic spots, conference halls, etc., large venues with loudspeaker … Continue reading Retevis RB36 Two-way Loudspeaker for your business!