Hollyland Air Duct Earphone

Hollyland Air Duct Earphone for Solidcom M1 Full-Duplex Intercom

    Earphone Hidden: Transparent Sound Tube Headphones Can Be Invisible By Switching To The Similar With The Surrounding Environment.
    Air Duct Headphone: Ideal for Use in Backstage Live Streaming, Scheduling, Field Control, Security, Surveillance, and Noisy